The winners of the 2025 Tournament of Champions vary depending on the event:

• In the 2025 J.P. Morgan Tournament of Champions squash tournament held in New York, the champions were Hania El Hammamy for the women’s title and Ali Farag for the men’s title. El Hammamy defeated Nouran Gohar, and Farag defeated Diego Elias in the finals

• In the 2025 Food Network reality cooking competition "Tournament of Champions" (season 6) , the winner was Antonia Lofaso. She won the final with a score of 88 to 82 and has participated in all six seasons of the show. The competition has been won exclusively by women chefs so far, with Antonia being the latest champion

• For the 2025 World Series of Poker Tournament of Champions , the final table included nine players competing for the title and a $200,000 prize, but the winner is not specified in the available information

• In the 2025 Jeopardy! Tournament of Champions , no winner information was provided in the search results

Thus, the specific "Tournament of Champions" winner depends on the particular tournament or competition you are referring to. For squash, it is Hania El Hammamy and Ali Farag; for the cooking competition, it is Antonia Lofaso in 2025