Andrey Koreshkov vs Gleison Tibau, Sergey Romanov vs Andre Muniz set for June 6

Promotion head Kamil Gadzhiev has confirmed two welterweight Grand Prix bouts for BetCity Fight Nights 138, scheduled for June 6 in Saint Petersburg. Andrey Koreshkov will face Gleison Tibau, while Sergey Romanov meets Andre Muniz, with both contests forming part of the organization's ongoing welterweight tournament.

Koreshkov, known as "Spartan," carries a polished 19-2-0 record into the matchup at 35 years old. The six-foot Russian is one of the more complete fighters in the bracket, averaging 2.84 significant strikes per minute at 39 percent accuracy while also threatening consistently on the ground with 4.8 takedowns per 15 minutes.

His opponent Tibau is a 42-year-old Brazilian veteran from American Top Team with a 33-14-0 mark accumulated over a lengthy career. Standing five-foot-ten with a 71-inch reach, the southpaw brings genuine wrestling credentials to the contest, averaging 4.08 takedowns per 15 minutes, though his striking volume sits at 1.95 significant strikes per minute.

Muniz, nicknamed "Sergipano," enters at 36 years old representing Tata Fight Team Montes Claros with a 24-8-0 record. The Brazilian southpaw stands six-foot-one and carries a 78-inch reach, posting a striking accuracy of 48 percent alongside 3.98 takedowns and 1.1 submission attempts per 15 minutes — numbers that reflect a well-rounded grappling-based game.

Why it matters

• Both fights count toward the BetCity Fight Nights welterweight Grand Prix, meaning tournament advancement is on the line
• Koreshkov's elite takedown volume sets up an intriguing clash with Tibau, who is himself a career grappler
• Muniz's submission threat adds an extra layer of danger for Romanov in the co-main Grand Prix matchup