Rony Jason losses
Over 19 years as a professional, Rony Jason has compiled a 18-12 (17) record, including four title fights. He has twelve losses, two of them in title fights.
12. Rony Jason loses to Paweł Polityło via KO
On May 24, 2025 Rony Jason faced Paweł Polityło in a featherweight bout. Jason was 41 years old with a record of 18-11, and Polityło was 0 with a record of 0-0. Jason was coming off a loss. Polityło stopped Jason via TKO in the 3rd round.
11. Rony Jason loses to Jordan Barton via unanimous decision
On September 7, 2024 Rony Jason fought Jordan Barton for the vacant FNC featherweight title. Jason was 40 years old with a record of 18-10, and Barton was 0 with a record of 0-0. Jason was on a 3-fight winning streak. Jason lost via unanimous decision. Failed to win the vacant title. Went the distance with Barton.
10. Rony Jason loses to Daniel Bažant via unanimous decision
On March 26, 2022 Rony Jason fought Daniel Bažant for the vacant FNC featherweight title. Jason was 38 years old with a record of 15-9, and Bažant was 0 with a record of 0-0. Jason was coming off a loss. Jason lost via unanimous decision. Failed to win the vacant title. Went the distance with Bažant.
9. Rony Jason loses to Alexander Grozin via unanimous decision
On November 16, 2019 Rony Jason faced Alexander Grozin in a featherweight bout. Jason was 35 years old with a record of 15-8, and Grozin was 0 with a record of 0-0. Jason was coming off a win. Jason lost via unanimous decision. Went the distance with Grozin.
8. Rony Jason loses to Diego Lopes via unanimous decision
On March 15, 2019 Rony Jason faced Diego Lopes in a featherweight bout. Jason was 34 years old with a record of 14-7, and Lopes was 24 with a record of 15-3. Jason was on a 2-fight losing streak, while Lopes was on a 3-fight winning streak. Jason lost via unanimous decision. Went the distance with Lopes.
7. Rony Jason loses to Jeremy Kennedy via unanimous decision
On March 11, 2017 Rony Jason faced Jeremy Kennedy in a lightweight bout. Jason was 32 years old with a record of 14-6, and Kennedy was 24 with a record of 9-0. Jason was coming off a loss, while Kennedy was on an undefeated 9-fight winning streak. Jason lost via unanimous decision. Went the distance with Kennedy.
6. Rony Jason loses to Dennis Bermudez via unanimous decision
On August 6, 2016 Rony Jason faced Dennis Bermudez in a featherweight bout. Jason was 32 years old with a record of 14-5, and Bermudez was 29 with a record of 15-5. Bermudez was coming off a win. Jason lost via unanimous decision. Went the distance with Bermudez.
5. Rony Jason loses to Robbie Peralta via split decision
On May 31, 2014 Rony Jason faced Robbie Peralta in a featherweight bout. Jason was 30 years old with a record of 14-4, and Peralta was 28 with a record of 17-4. Both Jason and Peralta were coming off a win. Jason lost via split decision. Went the distance with Peralta.
4. Rony Jason loses to Jeremy Stephens via KO in 40 seconds
On November 9, 2013 Rony Jason faced Jeremy Stephens in a featherweight bout. Jason was 29 years old with a record of 13-3, and Stephens was 27 with a record of 21-9. Jason was on a 8-fight winning streak and Stephens was coming off a win. Stephens stopped Jason via KO in the 1st round.
3. Rony Jason loses to Genair da Silva via KO
On December 5, 2009 Rony Jason faced Genair da Silva. Jason was 25 years old with a record of 5-2, and Silva was 25 with a record of 5-3. Jason was on a 2-fight winning streak, while Silva was on a 2-fight losing streak. Silva stopped Jason via TKO in the 2nd round.
2. Rony Jason loses to João Paulo Rodrigues via KO
On August 13, 2009 Rony Jason faced João Paulo Rodrigues. Jason was 25 years old with a record of 3-1, and Rodrigues was 0 with a record of 0-0. Jason was coming off a win. Rodrigues submitted Jason via stomp in the 2nd round.
1. Rony Jason loses to Renan Barão via split decision
On November 9, 2006 Rony Jason faced Renan Barão in a featherweight bout. Jason was 22 years old with a record of 2-0, and Barão was 19 with a record of 5-1. Jason was on an undefeated 2-fight winning streak and Barão was on a 5-fight winning streak. Jason lost via split decision. Went the distance with Barão.