[Table] header: Result | Record | Opponent | Event | Method | Round | Time row 1 : Result | Record | Opponent | Event | Method | Round | Time
row 2 : Win | 37-21-3 | Tsutomu Takahagi | Big Bang 12 | Decision (Unanimous) | 3 | 3:00
row 3 : Win | 36-21-3 | Tomohiko Hashimoto | Big Bang 11 | KO | 1 | 0:18
row 4 : Loss | 35-21-3 | Makoto Uehara | K-1 World Grand Prix 2012 in Tokyo Final 16 | Decision (3-0) | 3 | 3:00
row 5 : Win | 35-20-3 | Alex Roberts | Big Bang 10 | KO | 2 | 1:07
row 6 : Win | 34-20-3 | Masayoshi Kakutani | IGF Genome 21 | KO | 1 | 2:03
row 7 : Win | 33-20-3 | Soichi Nishida | Big Bang 9 | KO | 1 | 1:24
row 8 : Loss | 32-20-3 | Fabiano Aoki | HEAT 22 | KO | 2 | 1:39
row 9 : Loss | 32-19-3 | Singh Jaideep | RISE 85 Heavyweight Tournament 2011 | TKO | 2 | 2:59
row 10 : Draw | 32-18-3 | Alex Roberts | NJKF Titans Neo X | Decision Draw | 3 | 3:00
row 11 : Win | 32-18-2 | Tsutomu Takahagi | RISE 80 | Decision (2-0) | 3 | 3:00
row 12 : Win | 31-18-2 | Tatsufumi Tomihira | Heat 17 | Decision (2-0) | 3 | 3:00
row 13 : Win | 30-18-2 | Magnum Sakai | MAJKF Break 8 | Ext R. Decision (3-0) | 4 | 3:00
row 14 : Loss | 29-18-2 | Koichi Watanabe | Fujiwara Festival 2010 | Decision (3-0) | 3 | 3:00
row 15 : Win | 29-17-2 | Bo Lam Moon | Heat 14 | TKO | 1 | 1:43
row 16 : Win | 28-17-2 | Toshio Matsumoto | NJKF Titans Neo VII | KO | 2 | 0:24
row 17 : Win | 27-17-2 | Makato | Heat 13 | TKO | 2 | 2:08
row 18 : Win | 26-17-2 | Emeka | Heat 11 | Decision (3-0) | 3 | 3:00
row 19 : Win | 25-17-2 | Makoto Uehara | Heat 10 | Decision (3-0) | 3 | 3:00
row 20 : Win | 24-17-2 | Bo Lam Moon | Heat 9 | Decision (2-0) | 3 | 3:00
row 21 : Win | 23-17-2 | Prince Ali | Heat 8 | TKO | 3 | 2:23
row 22 : Win | 22-17-2 | Gary Goodridge | Gladiator International Friendship Rally | Decision (3-0) | 3 | 3:00
row 23 : Loss | 21-17-2 | Ruslan Karaev | NJKF Magnam 16 | KO | 3 | 2:06
row 24 : Loss | 21-16-2 | Paul Slowinski | K-1 WGP 2007 in Amsterdam | KO | 1 | 1:50
row 25 : Win | 21-15-2 | Will Riva | NJKF Titans Neo I | Decision (3-0) | 3 | 3:00
row 26 : Loss | 20-15-2 | Gokhan Saki | K-1 WGP 2007 in Yokoham | TKO | 2 | 3:00
row 27 : Win | 20-14-2 | Freddy Kemayo | K-1 WGP 2006 in Sapporo | Decision (2-0) | 3 | 3:00
row 28 : Draw | 19-14-2 | Kaoklai Kaennorsing | NJKF Titans 3rd | Decision Draw | 3 | 3:00
row 29 : Loss | 19-14-1 | Tatsufumi Tomihira | K-1 WGP 2005 in Hiroshima | Ext R. Decision (2-1) | 4 | 3:00
row 30 : Loss | 19-13-1 | Jérôme Le Banner | K-1 WGP 2004 FINAL | KO | 2 | 1:03
row 31 : Loss | 19-12-1 | Ray Sefo | K-1 WGP 2004 | Decision (3-0) | 3 | 3:00
row 32 : Win | 19-11-1 | Nobu Hayashi | K-1 Beast 2004 in Shizukoa | Decision (3-0) | 3 | 3:00
row 33 : Win | 18-11-1 | Tatsufumi Tomihira | K-1 Beast 2004 in Shizukoa | KO | 3 | 0:58
row 34 : Win | 17-11-1 | Noboru Uchida | K-1 Beast 2004 in Shizukoa | Decision (3-0) | 3 | 3:00
row 35 : Win | 16-11-1 | Eric Esch | K-1 Beast 2004 | Decision (3-0) | 3 | 3:00
row 36 : Win | 15-11-1 | Kimo Leopoldo | K-1 Burning 2004 | KO | 2 | 2:00
row 37 : Loss | 14-11-1 | Michael McDonald | Inoki Bom-Ba-Y | KO | 2 | 0:46
row 38 : Loss | 14-10-1 | Yusuki Fujimoto | K-1 Survival 2003 | Decision (3-0) | 4 | 3:00
row 39 : Win | 14-9-1 | Tsuhyoshi Nakas | K-1 Survival 2003 | Decision (3-0) | 4 | 3:00
row 40 : Win | 13-9-1 | TSUYOSHI | K-1 Beast II 2003 | Decision (2-0) | 3 | 3:00
row 41 : Win | 12-9-1 | Tom Erikson | K-1 Beast 2003 | KO | 1 | 1:14
row 42 : Loss | 11-9-1 | Musashi | K-1 Andy Spirits 2002 | Ext R. Decision (2-0) | 4 | 3:00
row 43 : Loss | 11-8-1 | Jérôme Le Banner | K-1 WGP in Nagoya | KO | 1 | 1:42
row 44 : Win | 11-7-1 | Rene Rooze | K-1 RISING 2002 | KO | 1 | 3:00
row 45 : Loss | 10-7-1 | Mark Hunt | K-1 WGP 2001 in Melbourne | KO | 1 | 2:52
row 46 : Loss | 10-6-1 | Mike Bernardo | K-1 Rising 2001 | TKO | 4 | 1:32
row 47 : Draw | 10-5-1 | Toru Oishi | K-1 J-MAX | Draw | 5 | 3:00
row 48 : Loss | 10-5 | Mirko Filipović | K-1 WGP Fukuoka | Decision (3-0) | 3 | 3:00
row 49 : Win | 10-4 | Tomasz Kucharzewski | K-1 WGP Fukuoka | KO | 1 | 1:49
row 50 : Loss | 9-4 | Musashi | K-1 Spirits 2000 | Decision (3-0) | 3 | 3:00
row 51 : Win | 9-3 | Teng Jun | K-1 Spirits 2000 | Decision | 3 | 2:17
row 52 : Win | 8-3 | Masashi Suzuki | K-1 Spirits 2000 | TKO | 3 | 2:17
row 53 : Win | 7-3 | Masaaki Miyomoto | K-1 Survival 2000 | KO | 1 | 1:51
row 54 : Loss | 6-3 | Mirko Filipović | K-1 Burning 2000 | KO | 4 | 2:51
row 55 : Win | 6-2 | Nobu Hyashi | K-1 Rising 2000 | KO | 3 | 0:50
row 56 : Loss | 5-2 | Andy Hug | K-1 World Grand Prix '99 Opening Round | TKO | 1 | 1:51
row 57 : Loss | 5-1 | Musashi | K-1 Spirits '99 | Decision (3-0) | 3 | 3:00
row 58 : Win | 5-0 | Teng Jun | K-1 Spirits '99 | Decision (2-1) | 3 | 3:00
row 59 : Win | 4-0 | Ryo Takigawa | K-1 Spirits '99 | KO | 1 | 2:06
row 60 : Win | 3-0 | Chris Ballard | King Of The Ring | TKO | 1 | 0:00
row 61 : Win | 2-0 | Simon Dore | K-1 Survival '99 | TKO | 3 | 1:55
row 62 : Win | 1-0 | John Wyatt | K-1 The Challenge '99 | Decision (3-0) | 5 | 3:00 [/Table] Answer this question based on the above table: Which opponent led to a 6-3 record?

Answer: Mirko Filipović