Guy Den Ouden defeated Sumit Nagal 6–0, 4–6, 6–3 in the round-robin stage of the ATP Davis Cup Qualifiers on hard court on 7 February 2026. Den Ouden dominated the opening set with a bagel, but Nagal responded by taking the second set to level the match. The Dutch player reasserted control in the decider, breaking Nagal's resistance to secure victory in straight sets. The result underscores Den Ouden's ability to recover after dropping a set and maintain composure in the decisive third frame.