Zizou Bergs defeated Jakub Menšík 6–2, 7–6 in the quarter-final of the ATP 250 United Cup on hard court on 8 January 2026. Bergs controlled the opening set with a decisive 6–2 victory, then held firm in a competitive second set that went to a tie-break, which he secured 7–6. The result sees Bergs advance to the semi-finals of the tournament, where he will face the winner of the remaining quarter-final fixtures. Menšík's early exit marks a disappointing run at the event, though the Czech player will have opportunities to build momentum in the weeks ahead.