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

Kamil Gadzhiev announced two welterweight Grand Prix bouts for BetCity Fight Nights 138 in Saint Petersburg on June 6, 2026. The card will feature Andrey Koreshkov facing Gleison Tibau and Sergey Romanov taking on Andre Muniz. Both fights are part of the promotion's welterweight tournament. The announcement provides the fight matchups and date but does not include additional details about rankings or stakes within the Grand Prix format.