diff --git a/src/mame/drivers/btime.c b/src/mame/drivers/btime.c
index 266705e339b..285525531a0 100644
--- a/src/mame/drivers/btime.c
+++ b/src/mame/drivers/btime.c
@@ -1498,6 +1498,27 @@ ROM_START( lnc )
 	ROM_LOAD( "sb-4c",        0x0020, 0x0020, CRC(a29b4204) SHA1(7f15cae5c4aaa29638fb45029782dafd2b3d1484) )	/* RAS/CAS logic - not used */
 ROM_END
 
+/*This one doesn't have the (c) deco and the "pro" word at the title screen so I'm assuming it's a bootleg.*/
+ROM_START( protennb )
+	ROM_REGION( 0x10000, "main", 0 )
+	ROM_LOAD( "t6.a1",        0xa000, 0x1000, CRC(e89cc295) SHA1(68f1578c4be816db6028a561d286b19553c87506) )
+	ROM_LOAD( "t5.a3",        0xb000, 0x1000, CRC(9131ed87) SHA1(af2276a82e024bf00c6db02deb7f06ade89dd386) )
+	ROM_LOAD( "t4.a4",        0xc000, 0x1000, CRC(01dc0e71) SHA1(a359468fb9dab9cfadcf8ec22a4d7ce9341f4324) )
+	ROM_LOAD( "t3.a6",        0xd000, 0x1000, CRC(6253acec) SHA1(24aaac1cdea1c60f8ff05dff6c17ba3a0e732187) )
+	ROM_LOAD( "t2.a8",        0xe000, 0x1000, CRC(6faf561c) SHA1(7fd5430af4b3f255e2c01e9b092b960ebdca8d13) )
+	ROM_LOAD( "t1.a9",        0xf000, 0x1000, CRC(baa330ae) SHA1(b10c66d9a03b036d95926d0c0fe441bb7ca4015d) )
+
+	ROM_REGION( 0x10000, "audio", 0 )
+	ROM_LOAD( "t7.b1",        0xf000, 0x1000, CRC(a6bcc2d1) SHA1(383cd170417256467dfce94939d6afa66518c6d2) )
+
+	ROM_REGION( 0x6000, "gfx1", ROMREGION_ERASE00 )
+	/* dynamically allocated */
+
+	ROM_REGION( 0x0040, "proms", 0 )
+	ROM_LOAD( "82s123n.a8",    0x0000, 0x0020, CRC(6a0006ac) SHA1(72265bc472fb7610af190130560ef507244ce41c) )	/* palette */
+	ROM_LOAD( "82s123n.j10",   0x0020, 0x0020, CRC(27b004e3) SHA1(4b9960b99130281a3b07f44816001e5eabf7a6fc) )	/* RAS/CAS logic - not used */
+ROM_END
+
 ROM_START( wtennis )
 	ROM_REGION( 0x10000, "main", 0 )
 	ROM_LOAD( "tx",           0xc000, 0x0800, CRC(fd343474) SHA1(1e1fd3f20ce1c7533767344f924029c8c62139a1) )
@@ -1807,6 +1828,7 @@ GAME( 1982, btimem,   btime,   btime,    btime,    btime,   ROT270, "Data East (
 GAME( 1982, cookrace, btime,   cookrace, cookrace, cookrace,ROT270, "bootleg", "Cook Race", 0 )
 GAME( 1981, tisland,  0,       tisland,  btime,    tisland, ROT270, "Data East Corporation", "Treasure Island", GAME_NOT_WORKING | GAME_IMPERFECT_GRAPHICS )
 GAME( 1981, lnc,      0,       lnc,      lnc,      lnc,     ROT270, "Data East Corporation", "Lock'n'Chase", 0 )
+GAME( 1982, protennb, 0,       disco,    disco,    btime,   ROT270, "bootleg", "Tennis (bootleg of Pro Tennis)", 0 )
 GAME( 1982, wtennis,  0,       wtennis,  wtennis,  wtennis, ROT270, "bootleg", "World Tennis", 0 )
 GAME( 1982, mmonkey,  0,       mmonkey,  mmonkey,  lnc,     ROT270, "Technos + Roller Tron", "Minky Monkey", 0 )
 GAME( 1982, brubber,  0,       bnj,      bnj,      lnc,     ROT270, "Data East", "Burnin' Rubber", 0 )
diff --git a/src/mame/mamedriv.c b/src/mame/mamedriv.c
index 1718d5639de..f79c4c495d5 100644
--- a/src/mame/mamedriv.c
+++ b/src/mame/mamedriv.c
@@ -4174,6 +4174,7 @@ BOMULEUL CHAJARA SEGA ST-V  1997/04/11
 	DRIVER( btime2 )	/* (c) 1982 */
 	DRIVER( btimem )	/* (c) 1982 + Midway */
 	DRIVER( tisland )   /* (c) 1982 */
+	DRIVER( protennb )  /* bootleg */
 	DRIVER( cookrace )	/* bootleg */
 	DRIVER( wtennis )	/* bootleg 1982 */
 	DRIVER( brubber )	/* (c) 1982 */