Thongchai Leelapha (; December 29, 1976), known professionally as Chutin Por.Tawachai (), is a Thai former professional Muay Thai fighter. He is a former Rajadamnern Stadium Super Bantamweight Champion who fought during the 1990s and 2000s.
Chutin started training in Muay Thai at the age of 10. He later joined the Sit O camp in Buriram where he stayed three years during which he competed in the various eastern provinces of Thailand. Chutin then had the opportunity to join the Sit Kuanyim camp in Bangkok. There he would train under former champion Orachunnoi Hor.Mahachai and made his major stadium debut in 1992 winning on points at the Rajadamnern Stadium.
Chutin defeated many notable fighters of his era including Chamuekpet Hapalang, Saenklai SitKruOd, Anuwat Kaewsamrit, Silapathai Jockygym and Choengnoen Sitphutthapim. The peak of his career was the year 1996 which saw him capture the Rajadamnern Stadium Super Bantamweight title. For his results during that year he was elected Rajadamnern Stadium FIghter of the Year and received the prestigious Sports Authority of Thailand Fighter of the Year award. He also took part in the Isuzu Cup at the end of the year and was eliminated in the semifinals by Anantasak Panyuthapum. He won the 3rd place bout against Changnoi Sirimongkol on April 26, 1997.
After retiring, Chutin became a trainer and moved to Japan.
Awards
|- style="background:#fbb;" | 2003-04-28 || Loss ||align=left| Fapratan Singhmanasak || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2003-03- || Loss ||align=left| Chaomailek Sor.Thantawan || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2003-02-05 || Loss ||align=left| Lerdsila Chumpairtour || Daorungchuajroen, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2002-10-30 || Loss ||align=left| Anuwat Kaewsamrit || Jarumeang, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2002-09-23 || Win ||align=left| Anuwat Kaewsamrit || Daorungchuajroen, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2002-03-27 || Loss||align=left| Rungpetch Sor.Sitthichok || Jarumeang, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2000-11-09 || Loss||align=left| Noppakao Sor.Wanchat || Daorungchuajroen, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2000-09-07 || Win ||align=left| Paluang Panyatip || Jarumueang, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2000-08-02 || Loss||align=left| Noppakao Sor.Wanchat || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2000-06-25 || Loss||align=left| Noparit Kiatnopadol || Channel 7 Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2000-05-18 || Win ||align=left| Silaphet Por.Paointhra || Bangrachan, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2000-04-27 || Loss||align=left| Sila Tor.Bangsaen || Palangnum, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 1997-12- || Loss ||align=left| Asawin Kiatmonthep || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 1997-11- || Win ||align=left| Asawin Kiatmonthep || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1997-08-20 || Win ||align=left| Chaidet Kiatchansing || Palangnum, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 1997-07-22 || Loss ||align=left| Manopchai NakornthongParkview|| Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1997-05-28 || Win ||align=left| Rolex Kaennorasing || Wan Muay Thai, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1997-04-26 || Win ||align=left| Changnoi Sirimongkol || Omnoi Stadium - Isuzu Cup, 3rd place bout || Samut Sakhon, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 1997-02-22 || Loss ||align=left| Singdam Or.Ukrit || Omnoi Stadium - Isuzu Cup Semi Final || Samut Sakhon, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 1996-12-21 || Loss ||align=left| Anantasak Panyuthapum || Omnoi Stadium - Isuzu Cup || Samut Sakhon, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1996-11-02|| Win||align=left| Komkiat Sor.Thanikul || Omnoi Stadium - Isuzu Cup || Samut Sakhon, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1996-09-21 || Win||align=left| Saenklai SitKruOd || Omnoi Stadium - Isuzu Cup || Samut Sakhon, Thailand || Decision || 5 || 3:00
|- style="background:#c5d2ea;" | 1996-08- || Draw||align=left| Saenklai SitKruOd || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1996-07-08 || Win ||align=left| Choengnoen Sitphutthapim || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1996-06-21 || Win ||align=left| Changnoi Srimongkol || Petchyindee, Rajadamnern Stadium || Bangkok, Thailand || KO|| 4 ||
|- style="background:#cfc;" | 1996-04-17 || Win ||align=left| Chamuekpet Hapalang || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1996-03-20 || Win ||align=left| Silapathai Jockygym || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 1996-02-26 || Loss||align=left| Komkiat Sor.Thanikul || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1996-01-24 || Win ||align=left| Silapathai Jockygym || Wan Muay Thai, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 1995-12-20 || Win ||align=left| Nuengsiam Kiatwichian || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 1995-11-22 || Loss ||align=left| Nuengsiam Kiatwichian || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1995-09-20 || Win ||align=left| Nuengsiam Kiatwichian || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1995-08-30 || Win ||align=left| Wanghin Por.Chaiwat || Rajadamnern Stadium || Bangkok, Thailand || TKO|| 1 ||
|- style="background:#cfc;" | 1995-07-19 || Win ||align=left| Petcharat Sor.Worapin|| Rajadamnern Stadium || Bangkok, Thailand || KO (Elbow) || 5 ||
|- style="background:#cfc;" | 1995-05-18 || Win ||align=left| Yutthahat Sor.Narongchai || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1995-04-20 || Win ||align=left| Ekachai Soonthanomtong || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1995-03-20 || Win ||align=left| Prabibop Carryboy || Phettongkam, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1994-12-21 || Win ||align=left| Khaiwanthae Tor.Laksong || Rajadamnern Stadium 50th Anniversary || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 1994-10-26 || Loss ||align=left| Yutthahat Sor.Narongchai || Mumnangoen, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1994-03-07 || Win ||align=left| Phansak Lukmatulee || Phettongkam, Rajadamnern Stadium || Bangkok, Thailand || TKO (Doctor stoppage)|| 4 ||
|- style="background:#cfc;" | 1994-01-05 || Win ||align=left| Pitichai Kiattipakpanang || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1993- || Win ||align=left| Chainarat Kaewsamrit || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1993- || Win ||align=left| Phanomsak Lukprabaht || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 1993- || Loss||align=left| Rittidet Tor.Laksong || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 1993- || Win ||align=left| Prisna Kiatchansing || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 1992- || Loss||align=left| Samransak Carryboy || Rajadamnern Stadium || Bangkok, Thailand || KO || 1||
|- style="background:#cfc;" | 1992- || Win ||align=left| Kotsranlek SkindiewGym || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 | |- | colspan=9 | Legend: