| Stamp Kiatniwat | |
| Realname: | Yutthana Kaensa |
| Weight: | Minimumweight Light flyweight Flyweight |
| Nationality: | Thai |
| Birth Date: | 7 January 1998 |
| Birth Place: | Lao Suea Kok District, Ubon Ratchathani province, Thailand |
| Height: | 161 cm |
| Reach: | 165 cm |
| Style: | Orthodox |
| Total: | 29 |
| Wins: | 24 |
| Ko: | 10 |
| Losses: | 5 |
Yutthana Kaensa (Thai: ยุทธนา แก่นสา, born 7 January 1998), known as Stamp Kiatniwat (แสตมป์ เกียรตินิวัฒน์), Stamp Sithmorseng (แสตมป์ ศิษย์หมอเส็ง), or Stamp Kratingdaenggym (แสตมป์ กระทิงแดงยิม), is a professional boxer from Thailand in the flyweight division. He was considered the youngest Thai world champion at the age of 17 (although he is an interim champion[1]). He is a former WBA Asia Flyweight champion.
Yutthana Kaensa, nicknamed Stamp, was born in Lao Suea Kok District), Mueang Ubon Ratchathani District, Ubon Ratchathani province, and is a cousin of Poonsawat Kratingdaenggym, a former WBA Super bantamweight world champion.
He won the WPBF Light flyweight title by wins over fellow-countryman Kwanthai Sithmorseng, a former WBA Minimumweight world champion on August 8, 2014, at Sanam Luang, Phra Nakhon District, Bangkok, and on September 23 of the same year he won the WBA Asia Flyweight title by wins over Samuel Tehuayo, an Indonesian boxer at Ayutthaya City Park, Ayutthaya province. He defended his title twice.
On July 29, 2015, he won the WBA Flyweight interim title by wins over Gregorio Lebron, a Dominican contender at Loei province and he defended it once with the old rival Gregorio Lebron at Bangkokthonburi University, Thawi Watthana District, Bangkok, on February 9, 2016.[2]
On December 31, 2016, he challenged WBA Flyweight world title Kazuto Ioka, a Japanese holder in the elimination fight at Shimazu Arena, Kyoto, Japan. He lost by TKO in the seventh round.[3]
He usually trains at the boxing gym inside Bangkokthonburi University with Anant Tualue, who was a trainer of Chana Porpaoin, a former two-time WBA Minimumweight world champion, and Denkaosan Kaovichit, a former WBA Flyweight world champion and former WBA Super flyweight interim champion be a trainer.[2]
On May 18, 2018, Kiatniwat defeated TKO with left punches just the second round for the Filipino contender Jaysever Abcede at Bangkokthonburi University to lose WBA Asia Flyweight title. After the bout his manager Niwat "Che-Mae" Laosuwanwat said he would stop cheering him on to become a champion. Due to the fact that his body is too fragile.[4]
| Result | Record | Opponent | Type | Round, time | Date | Location | Notes | ||
|---|---|---|---|---|---|---|---|---|---|
| 29 | Loss | 24–5 | Lü Bin | TKO | 1 (10), | 16 Mar 2023 | |||
| 28 | Win | 24–4 | Daeloniel McDelon | UD | 10 | 5 Nov 2022 | |||
| 27 | Win | 23–4 | Adisak Ketpiam | TKO | 4 (8) | 3 Sep 2022 | |||
| 26 | Loas | 22–4 | F. Zoramchhana | MD | 6 | 2 Jul 2022 | |||
| 25 | Win | 22–3 | Lekpetch Lookmhakrodyon111 | TKO | 2 (6) | 4 Jun 2022 | |||
| 24 | Loss | 21–3 | Vyacheslav Mirzaev | TKO | 5 (10) | 2 Mar 2019 | |||
| 23 | Win | 21–2 | Rolly Sumalpong | UD | 12 | 10 Aug 2018 | |||
| 22 | Loss | 20–2 | Jaysever Abcede | KO | 2 (12) | 15 May 2018 | |||
| 21 | Win | 20–1 | Macrea Gandionco | KO | 4 (12) | 28 Dec 2017 | |||
| 20 | Win | 19–1 | Michael Enriquez | UD | 12 | 22 Sep 2017 | |||
| 19 | Win | 18–1 | Michael Enriquez | UD | 12 | 29 Jul 2017 | |||
| 18 | Win | 17–1 | Rajesh | UD | 12 | 17 Mar 2017 | |||
| 17 | Loss | 16–1 | Kazuto Ioka | KO | 7 (12) | 31 Dec 2016 | |||
| 16 | Win | 16–0 | Gregorio Lebron | MD | 12 | 9 Sep 2016 | |||
| 15 | Win | 15–0 | Gregorio Lebron | MD | 12 | 29 Jul 2015 | |||
| 14 | Win | 14–0 | Wilber Andogan | KO | 5 (12) | 23 Mar 2015 | |||
| 13 | Win | 13–0 | Espinos Sabu | UD | 12 | 2 Jan 2015 | |||
| 12 | Win | 12–0 | Geboi Mansalayao | KO | 2 (12) | 5 Dec 2014 | |||
| 11 | Win | 11–0 | Samuel Tehuayo | UD | 12 | 23 Sep 2014 | |||
| 10 | Win | 10–0 | Kwanthai Sithmorseng | UD | 12 | 8 Aug 2014 | |||
| 9 | Win | 9–0 | Johan Wahyudi | TKO | 4 (6) | 4 Jul 2014 | |||
| 8 | Win | 8–0 | Safwan Lombok | UD | 6 | 1 May 2014 | |||
| 7 | Win | 7–0 | Petchsuksawat Kiatphompetch | TKO | 2 (6) | 21 Mar 2014 | |||
| 6 | Win | 6–0 | Dawut Manoproonroj | TKO | 4 (6) | 17 Jan 2014 | |||
| 5 | Win | 5–0 | John Bima | TKO | 1 (6) | 26 Nov 2013 | |||
| 4 | Win | 4–0 | Phompetch Kilasportsgym | PTS | 6 | 17 Sep 2013 | |||
| 3 | Win | 3–0 | Auto Golf Snooker | PTS | 6 | 23 Aug 2013 | |||
| 2 | Win | 2–0 | Petchprakaifa Sor Visetkit | TKO | 1 (6) | 28 May 2013 | |||
| 1 | Win | 1–0 | Jaokhumphol Kaolanlek Gym | PTS | 6 | 18 Apr 2013 |