Újpest FC began their Hungary Fizz Liga campaign with a 3-1 home victory over Diósgyőr VTK on July 26, 2025. In an entertaining season opener, the hosts used a strong second-half performance to secure an important three points. Diósgyőr took a shock early lead, stunning the home crowd. However, Újpest responded before halftime with an equalizer to go into the break level. The second half belonged entirely to Újpest, as they scored two more goals to complete the turnaround and start the season with a win. The result immediately put Újpest near the top of the fledgling league table, while giving Diósgyőr plenty to work on. The Újpest manager praised his team's reaction to going behind early in the match.