Srisaket Sor Rungvisai

Sor Rungvisai's first defense came against Hirofumi Mukai. Mukai was overpowered from the early stages and his corner threw in the towel in the ninth round of the bout. The fight in Nakhon Ratchasima, Thailand. Mukai was previously knocked down once in round 2. “It was a total defeat,” said the 27-year-old Mukai, who dropped to a record of 9-3-1. “I can’t remember how I fought at all."

The WBC ordered González to make his first defense against Sor Rungvisai. The fight was scheduled for the undercard of Gennady Golovkin vs. Daniel Jacobs on March 2017. On fight night, Sor Rungvisai put Gonzalez down with a body shot in the first round. González came back and won several rounds, despite two cuts over his eyes. Sor Runvisai lost a point due to repeated head butting. According to CompuBox, Gonzalez outlanded Sor Rungvisai 441 (of 1,014) to 284 (of 940) overall. Gonzalez also had an edge in power punches, 372 to 277. Sor Rungvisai ended up winning a controversial majority decision (113-113, 114-112, 114-112). After the fight, González stated "I thought I won the fight. I want an immediate rematch. I want to get my title back." González earned a career high purse $500,000 whilst Rungvisai earned $75,000.

On 4 April 2017 the WBC ordered a direct rematch to take place between González and Sor Rungvisai. Sor Rungvisai was due to fight mandatory challenger Carlos Cuadras. However, due to the direct rematch clause on the contract for the original fight, the WBC ordered Cuadras to fight the next available contender, former unified flyweight champion Juan Francisco Estrada for the WBC interim title. The winners of both fights would then fight each other. On 6 June promoter Tom Loeffler said the rematch would take place on 9 September on HBO at a location in California, US. Japanese super flyweight Naoya Inoue was in line to make his American TV debut on the same card. Mexican promoter Osvaldo Küchle revealed that Cuadras and Estrada would fight on the undercard for the WBC interim title. On July 6, Loeffler announced the event would take place at the StubHub Center in Carson, California. The event also featured WBO champion Naoya Inoue and is considered historic as one of the biggest cards of all time in the smaller weight classes. The fight was also to be shown live on Sky Sports in the United Kingdom.

Sor Rungvisai scored a savage 4th-round knockout of prospect José Salgado Fernández on May 2015. A series of left hands left Salgado defenseless, with a final right hook from Sor Rungvisai producing the knockdown and prompting the referee to immediately halt the contest in round 4. The fight between Sor Rungvisai and Salgado aired live on Channel 7 in Thailand, and also streamed live on the network's website. With the victory, Sor Rungvisai claimed the WBC Silver title and became the mandatory challenger to the WBC's super flyweight titlist, Carlos Cuadras. Sor Rungvisai's handlers sought to host the rematch against Cuadras in Thailand. Negotiations between Cuadras and Sor Rungvisai stalled, with Cuadras going on to lose his title against Román González on September 2016. Sor Rungvisai kept busy fighting in Thailand, scoring 8 knockouts in 18 months following his win over Salgado.

Sor Rungvisai's first reign came to an end against Carlos Cuadras in May 2014. Referee Jay Nady stopped the fight after Cuadras was cut over his left eye due to a headbutt in round 8. According to WBC rules, Sor Rungvisai was deducted a point in all scorecards. Cuadras won a unanimous technical decision (78-73, 77-74, 77-75) to dethrone Sor Rungvisai. As many other Thai world champions, Sor Rungvisai often fought against journeymen and prospects in between his official defenses.

In an intense fight, Sor Rungvisai became the new WBC Super Flyweight world champion by knocking out Yota Sato on May 2013 in his native Sisaket. From the beginning of the fight, Sor Rungvisai harassed Sato, who tried to use his jab to keep Sor Rungvisai at bay, but the latter never relented on his pressure. The end came in round 8. Sor Rungvisai viciously hammered the defending champion with power shots until Italian referee Guido Cavalleri halted the fight after 1:23, giving Sor Rungvisai a TKO victory. "What a fight! It was a war between two honorable fighters. Sato did not want to lose. Each round was toe-to-toe action until Sor Rungvisai overpowered Sato in the eighth" commented promoter Pisitwuttinan Thainchai.

He signed with Nakornloung Promotion, Thailand as a professional boxer in 2009. 2 years later, Sor Rungvisai won the WBC Asian Boxing Council super flyweight title and went on to defend it 4 times between June 2011 and December 2012. In January 2019, he signed a multi-fight deal with Eddie Hearn of Matchroom Boxing. They plan to have his fights scheduled in the United States and appear on the streaming service DAZN. His previous promoter was Thainchai Pisitwuttinan of Nakornloung Promotion.

Wisaksil Wangek (Thai: วิศักดิ์ศิลป์ วังเอก ; born 8 December 1986), better known as Srisaket Sor Rungvisai (ศรีสะเกษ ศ.รุ่งวิสัย), is a Thai professional boxer. He has held multiple super-flyweight world championships, including the WBC title twice between 2013 and 2019, and The Ring magazine and lineal titles from 2018 to 2019. As of October 2019, Sor Rungvisai is ranked as the world's second best active super-flyweight by the Transnational Boxing Rankings Board, BoxRec and The Ring magazine. He is also ranked as the world's tenth best active boxer, pound for pound, by the TBRB.