diff --git a/mysql-test/main/derived_cond_pushdown.result b/mysql-test/main/derived_cond_pushdown.result
index 1e23b1aa3a9..05137f7d492 100644
--- a/mysql-test/main/derived_cond_pushdown.result
+++ b/mysql-test/main/derived_cond_pushdown.result
@@ -18442,4 +18442,120 @@ a	SUBQ
 4	1=11373
 5	1=11612
 drop table t1,t2,t3;
+#
+# MDEV-32064: usage of splittable derived table in query
+#             with IN subquery in WHERE
+#
+CREATE TABLE t1 (
+id int unsigned NOT NULL,
+valint1 int  unsigned,
+valdouble double,
+valdate datetime,
+PRIMARY KEY (id),
+KEY (valint1),
+KEY (valint1,valdate)
+) ENGINE=MyISAM;
+INSERT INTO t1 VALUES
+(1,3289763,1,'2021-02-09 18:31:35'),(2,3289750,1,'2021-02-09 18:31:35'),
+(3,3289780,1173,'2021-02-09 18:31:35'),(4,3289762,2,'2021-02-09 18:31:36'),
+(5,3289774,2334,'2021-02-09 18:31:36'),(6,3289739,1934,'2021-02-09 18:31:36'),
+(7,3289761,1,'2021-02-09 18:31:37'),(8,3289763,1,'2021-02-10 11:05:19'),
+(9,3289750,1,'2021-02-10 11:05:19'),(10,3289780,0,'2021-02-10 11:05:35'),
+(11,3289762,2,'2021-02-10 11:05:47'),(12,3289774,429,'2021-02-10 11:05:47'),
+(13,3289739,1958,'2021-02-10 11:06:00'),(14,3289761,1,'2021-02-10 11:06:08'),
+(15,3289957,0,'2021-02-10 13:04:44'),(16,3289988,1993,'2021-02-10 13:04:45'),
+(17,3289951,1896,'2021-02-10 13:04:59'),(18,3289957,1994,'2021-02-10 13:07:40'),
+(19,3289988,5,'2021-02-10 13:07:40'),(20,3289951,1897,'2021-02-10 13:07:40'),
+(21,3289594,0,'2021-02-11 14:19:38'),(22,3289642,0,'2021-02-11 14:19:38'),
+(23,3289626,2150,'2021-02-11 14:19:38'),(24,3289562,0,'2021-02-11 14:19:39'),
+(25,3289593,1046,'2021-02-11 14:19:39'),(26,3289496,1,'2021-02-11 14:19:45'),
+(27,3289475,1074,'2021-02-11 14:19:50'),(28,3289658,1155,'2021-02-11 14:19:56'),
+(29,3289595,0,'2021-02-11 14:20:01'),(30,3290334,903,'2021-02-11 16:22:44'),
+(31,3290284,479,'2021-02-11 16:23:00'),(32,3290327,236,'2021-02-11 16:23:00'),
+(33,3290854,0,'2021-02-15 17:29:59'),(34,3290824,0,'2021-02-15 17:30:13'),
+(35,3290875,0,'2021-02-15 17:30:14'),(36,3290897,2,'2021-02-15 17:30:19'),
+(37,3290800,0,'2021-02-15 17:30:24'),(38,3290822,0,'2021-02-15 17:30:25'),
+(39,3290901,2667,'2021-02-15 17:30:30'),(40,3290835,0,'2021-02-15 17:30:36'),
+(41,3290875,0,'2021-02-15 17:35:33'),(42,3290824,1330,'2021-02-15 17:35:39'),
+(43,3290854,769,'2021-02-15 17:35:44'),(44,3290897,2,'2021-02-15 17:35:50'),
+(45,3290822,748,'2021-02-15 17:35:50'),(46,3290800,1007,'2021-02-15 17:35:56'),
+(47,3290901,7018,'2021-02-15 17:35:56'),(48,3290835,779,'2021-02-15 17:36:17'),
+(49,3290824,1329,'2021-02-15 17:40:30'),(50,3290875,764,'2021-02-15 17:40:31'),
+(51,3290854,763,'2021-02-15 17:40:36'),(52,3290897,2347,'2021-02-15 17:40:47'),
+(53,3290822,1,'2021-02-15 17:41:01'),(54,3290800,1018,'2021-02-15 17:41:07'),
+(55,3290901,3936,'2021-02-15 17:41:08'),(56,3290835,784,'2021-02-15 17:41:24'),
+(57,3290824,1313,'2021-02-15 17:44:47'),(58,3290875,758,'2021-02-15 17:44:48'),
+(59,3290854,767,'2021-02-15 17:44:48'),(60,3290897,2438,'2021-02-15 17:44:48'),
+(61,3290822,738,'2021-02-15 17:44:49'),(62,3290800,1003,'2021-02-15 17:44:54'),
+(63,3290901,4686,'2021-02-15 17:44:55'),(64,3290835,778,'2021-02-15 17:45:13'),
+(65,3290824,1303,'2021-02-15 17:51:16'),(66,3290875,753,'2021-02-15 17:51:16'),
+(67,3290854,766,'2021-02-15 17:51:22'),(68,3290897,1,'2021-02-15 17:51:22'),
+(69,3290822,743,'2021-02-15 17:51:28'),(70,3290901,5718,'2021-02-15 17:51:33'),
+(71,3290800,1018,'2021-02-15 17:51:34'),(72,3290835,785,'2021-02-15 17:51:48'),
+(73,3290824,1310,'2021-02-15 18:21:30'),(74,3290875,754,'2021-02-15 18:21:30'),
+(75,3290854,782,'2021-02-15 18:21:36'),(76,3290897,2,'2021-02-15 18:21:36'),
+(77,3290822,745,'2021-02-15 18:21:53'),(78,3290800,1011,'2021-02-15 18:21:54'),
+(79,3290901,8998,'2021-02-15 18:21:54'),(80,3290835,0,'2021-02-15 18:22:00'),
+(81,3290936,0,'2021-02-15 18:25:28'),(82,3290895,0,'2021-02-15 18:25:28'),
+(83,3290832,0,'2021-02-15 18:25:28'),(84,3290878,796,'2021-02-15 18:25:52'),
+(85,3290900,730,'2021-02-15 18:25:52'),(86,3290856,0,'2021-02-15 18:26:11'),
+(87,3290904,816,'2021-02-15 18:26:17'),(88,3290882,0,'2021-02-15 18:26:25'),
+(89,3290883,1031,'2021-02-15 18:27:16'),(90,3290918,1749,'2021-02-15 18:27:17'),
+(91,3290831,0,'2021-02-15 18:59:11'),(92,3290884,477,'2021-02-15 18:59:12'),
+(93,3290899,483,'2021-02-15 18:59:12'),(94,3290848,486,'2021-02-15 18:59:35'),
+(95,3290880,487,'2021-02-15 18:59:35'),(96,3290798,0,'2021-02-15 18:59:52'),
+(97,3290777,983,'2021-02-15 19:00:10'),(98,3290811,488,'2021-02-15 19:00:10'),
+(99,3290917,1283,'2021-02-15 19:00:36'),(100,3290858,482,'2021-02-15 19:00:42');
+CREATE TABLE t2 (a int) ENGINE=MYISAM;
+INSERT INTO t2 VALUES
+(3289475),(3289496),(3289562),(3289593),(3289594),(3289595),(3289626),
+(3289642),(3289658),(3289739),(3289750),(3289761),(3289762),(3289763),
+(3289774),(3289780),(3289951),(3289957),(3289988),(3290034),(1231562);
+ANALYZE TABLE t1,t2;
+Table	Op	Msg_type	Msg_text
+test.t1	analyze	status	Engine-independent statistics collected
+test.t1	analyze	status	Table is already up to date
+test.t2	analyze	status	Engine-independent statistics collected
+test.t2	analyze	status	OK
+EXPLAIN SELECT t1.valdouble, t1.valint1
+FROM t1,
+(SELECT max(t.valdate) AS maxdate, t.valint1 FROM t1 t GROUP BY t.valint1)
+AS dt
+WHERE t1.valint1 = dt.valint1 AND
+t1.valdate = dt.maxdate AND
+t1.valint1 IN (SELECT * FROM t2);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	<subquery3>	ALL	distinct_key	NULL	NULL	NULL	21	
+1	PRIMARY	t1	ref	valint1,valint1_2	valint1	5	test.t2.a	2	Using index condition; Using where
+1	PRIMARY	<derived2>	ref	key0	key0	11	test.t1.valdate,test.t1.valint1	10	
+3	MATERIALIZED	t2	ALL	NULL	NULL	NULL	NULL	21	Using where
+2	DERIVED	t	index	valint1,valint1_2	valint1_2	11	NULL	100	Using index; Using temporary; Using filesort
+SELECT t1.valdouble, t1.valint1
+FROM t1,
+(SELECT max(t.valdate) AS maxdate, t.valint1 FROM t1 t GROUP BY t.valint1)
+AS dt
+WHERE t1.valint1 = dt.valint1 AND
+t1.valdate = dt.maxdate AND
+t1.valint1 IN (SELECT * FROM t2);
+valdouble	valint1
+1074	3289475
+1	3289496
+0	3289562
+1046	3289593
+0	3289594
+0	3289595
+2150	3289626
+0	3289642
+1155	3289658
+1958	3289739
+1	3289750
+1	3289761
+2	3289762
+1	3289763
+429	3289774
+0	3289780
+1897	3289951
+1994	3289957
+5	3289988
+DROP TABLE t1,t2;
 # End of 10.4 tests
diff --git a/mysql-test/main/derived_cond_pushdown.test b/mysql-test/main/derived_cond_pushdown.test
index 05032fb94a4..ce303779a41 100644
--- a/mysql-test/main/derived_cond_pushdown.test
+++ b/mysql-test/main/derived_cond_pushdown.test
@@ -4013,4 +4013,92 @@ eval $q;
 
 drop table t1,t2,t3;
 
+--echo #
+--echo # MDEV-32064: usage of splittable derived table in query
+--echo #             with IN subquery in WHERE
+--echo #
+
+CREATE TABLE t1 (
+  id int unsigned NOT NULL,
+  valint1 int  unsigned,
+  valdouble double,
+  valdate datetime,
+  PRIMARY KEY (id),
+  KEY (valint1),
+  KEY (valint1,valdate)
+) ENGINE=MyISAM;
+INSERT INTO t1 VALUES
+(1,3289763,1,'2021-02-09 18:31:35'),(2,3289750,1,'2021-02-09 18:31:35'),
+(3,3289780,1173,'2021-02-09 18:31:35'),(4,3289762,2,'2021-02-09 18:31:36'),
+(5,3289774,2334,'2021-02-09 18:31:36'),(6,3289739,1934,'2021-02-09 18:31:36'),
+(7,3289761,1,'2021-02-09 18:31:37'),(8,3289763,1,'2021-02-10 11:05:19'),
+(9,3289750,1,'2021-02-10 11:05:19'),(10,3289780,0,'2021-02-10 11:05:35'),
+(11,3289762,2,'2021-02-10 11:05:47'),(12,3289774,429,'2021-02-10 11:05:47'),
+(13,3289739,1958,'2021-02-10 11:06:00'),(14,3289761,1,'2021-02-10 11:06:08'),
+(15,3289957,0,'2021-02-10 13:04:44'),(16,3289988,1993,'2021-02-10 13:04:45'),
+(17,3289951,1896,'2021-02-10 13:04:59'),(18,3289957,1994,'2021-02-10 13:07:40'),
+(19,3289988,5,'2021-02-10 13:07:40'),(20,3289951,1897,'2021-02-10 13:07:40'),
+(21,3289594,0,'2021-02-11 14:19:38'),(22,3289642,0,'2021-02-11 14:19:38'),
+(23,3289626,2150,'2021-02-11 14:19:38'),(24,3289562,0,'2021-02-11 14:19:39'),
+(25,3289593,1046,'2021-02-11 14:19:39'),(26,3289496,1,'2021-02-11 14:19:45'),
+(27,3289475,1074,'2021-02-11 14:19:50'),(28,3289658,1155,'2021-02-11 14:19:56'),
+(29,3289595,0,'2021-02-11 14:20:01'),(30,3290334,903,'2021-02-11 16:22:44'),
+(31,3290284,479,'2021-02-11 16:23:00'),(32,3290327,236,'2021-02-11 16:23:00'),
+(33,3290854,0,'2021-02-15 17:29:59'),(34,3290824,0,'2021-02-15 17:30:13'),
+(35,3290875,0,'2021-02-15 17:30:14'),(36,3290897,2,'2021-02-15 17:30:19'),
+(37,3290800,0,'2021-02-15 17:30:24'),(38,3290822,0,'2021-02-15 17:30:25'),
+(39,3290901,2667,'2021-02-15 17:30:30'),(40,3290835,0,'2021-02-15 17:30:36'),
+(41,3290875,0,'2021-02-15 17:35:33'),(42,3290824,1330,'2021-02-15 17:35:39'),
+(43,3290854,769,'2021-02-15 17:35:44'),(44,3290897,2,'2021-02-15 17:35:50'),
+(45,3290822,748,'2021-02-15 17:35:50'),(46,3290800,1007,'2021-02-15 17:35:56'),
+(47,3290901,7018,'2021-02-15 17:35:56'),(48,3290835,779,'2021-02-15 17:36:17'),
+(49,3290824,1329,'2021-02-15 17:40:30'),(50,3290875,764,'2021-02-15 17:40:31'),
+(51,3290854,763,'2021-02-15 17:40:36'),(52,3290897,2347,'2021-02-15 17:40:47'),
+(53,3290822,1,'2021-02-15 17:41:01'),(54,3290800,1018,'2021-02-15 17:41:07'),
+(55,3290901,3936,'2021-02-15 17:41:08'),(56,3290835,784,'2021-02-15 17:41:24'),
+(57,3290824,1313,'2021-02-15 17:44:47'),(58,3290875,758,'2021-02-15 17:44:48'),
+(59,3290854,767,'2021-02-15 17:44:48'),(60,3290897,2438,'2021-02-15 17:44:48'),
+(61,3290822,738,'2021-02-15 17:44:49'),(62,3290800,1003,'2021-02-15 17:44:54'),
+(63,3290901,4686,'2021-02-15 17:44:55'),(64,3290835,778,'2021-02-15 17:45:13'),
+(65,3290824,1303,'2021-02-15 17:51:16'),(66,3290875,753,'2021-02-15 17:51:16'),
+(67,3290854,766,'2021-02-15 17:51:22'),(68,3290897,1,'2021-02-15 17:51:22'),
+(69,3290822,743,'2021-02-15 17:51:28'),(70,3290901,5718,'2021-02-15 17:51:33'),
+(71,3290800,1018,'2021-02-15 17:51:34'),(72,3290835,785,'2021-02-15 17:51:48'),
+(73,3290824,1310,'2021-02-15 18:21:30'),(74,3290875,754,'2021-02-15 18:21:30'),
+(75,3290854,782,'2021-02-15 18:21:36'),(76,3290897,2,'2021-02-15 18:21:36'),
+(77,3290822,745,'2021-02-15 18:21:53'),(78,3290800,1011,'2021-02-15 18:21:54'),
+(79,3290901,8998,'2021-02-15 18:21:54'),(80,3290835,0,'2021-02-15 18:22:00'),
+(81,3290936,0,'2021-02-15 18:25:28'),(82,3290895,0,'2021-02-15 18:25:28'),
+(83,3290832,0,'2021-02-15 18:25:28'),(84,3290878,796,'2021-02-15 18:25:52'),
+(85,3290900,730,'2021-02-15 18:25:52'),(86,3290856,0,'2021-02-15 18:26:11'),
+(87,3290904,816,'2021-02-15 18:26:17'),(88,3290882,0,'2021-02-15 18:26:25'),
+(89,3290883,1031,'2021-02-15 18:27:16'),(90,3290918,1749,'2021-02-15 18:27:17'),
+(91,3290831,0,'2021-02-15 18:59:11'),(92,3290884,477,'2021-02-15 18:59:12'),
+(93,3290899,483,'2021-02-15 18:59:12'),(94,3290848,486,'2021-02-15 18:59:35'),
+(95,3290880,487,'2021-02-15 18:59:35'),(96,3290798,0,'2021-02-15 18:59:52'),
+(97,3290777,983,'2021-02-15 19:00:10'),(98,3290811,488,'2021-02-15 19:00:10'),
+(99,3290917,1283,'2021-02-15 19:00:36'),(100,3290858,482,'2021-02-15 19:00:42');
+
+CREATE TABLE t2 (a int) ENGINE=MYISAM;
+INSERT INTO t2 VALUES
+(3289475),(3289496),(3289562),(3289593),(3289594),(3289595),(3289626),
+(3289642),(3289658),(3289739),(3289750),(3289761),(3289762),(3289763),
+(3289774),(3289780),(3289951),(3289957),(3289988),(3290034),(1231562);
+
+ANALYZE TABLE t1,t2;
+
+let $q=
+SELECT t1.valdouble, t1.valint1
+FROM t1,
+    (SELECT max(t.valdate) AS maxdate, t.valint1 FROM t1 t GROUP BY t.valint1)
+      AS dt
+WHERE t1.valint1 = dt.valint1 AND
+      t1.valdate = dt.maxdate AND
+      t1.valint1 IN (SELECT * FROM t2);
+
+eval EXPLAIN $q;
+eval $q;
+
+DROP TABLE t1,t2;
+
 --echo # End of 10.4 tests
diff --git a/sql/opt_split.cc b/sql/opt_split.cc
index 26d0771f6f8..aba11d8c38f 100644
--- a/sql/opt_split.cc
+++ b/sql/opt_split.cc
@@ -987,7 +987,8 @@ SplM_plan_info * JOIN_TAB::choose_best_splitting(uint idx,
       table_map needed_in_prefix= 0;
       do
       {
-        if (keyuse_ext->needed_in_prefix & remaining_tables)
+        if (keyuse_ext->needed_in_prefix &
+            (remaining_tables | this->join->sjm_lookup_tables))
 	{
           keyuse_ext++;
           continue;