Arthur Fils triumphed over Alexander Zverev in a dramatic three-and-a-half-hour final at the Hamburg Open, winning 6-3, 3-6, 7-6(7/1) to claim his first ATP 500 title. The match was marked by Fils' controversial underarm serve, which drew boos from the German crowd and led to a tense altercation between the players. Despite the friction, the two showed sportsmanship during the trophy presentation, with Zverev spraying Fils with champagne. Fils, who saved 21 of 22 break points in the match, rose to World No. 20 following the victory. The win is significant ahead of Fils' campaign at the Paris Olympics, while Zverev's loss is a setback before the same event. Both players acknowledged the challenging conditions and Fils' resilience despite physical cramps.