James Watt

James Watt (born 9 June 2000) is a New Zealand tennis player. He has a career-high singles ranking of No. 569 achieved on 8 September 2025, and a career-high doubles ranking of No. 80 achieved on 24 August 2026.

James was educated at Timaru Boys' High School. He attended Saint Mary's College of California in the United States.

Career In July 2023, playing alongside compatriot Isaac Becroft, he won the men's doubles title at the Caloundra International (M15) event on the Sunshine Coast in Queensland.

In September 2024, he lost in the final of the singles at the Darwin Tennis International in Darwin, Australia going three sets against Omar Jasika, a player ranked over 1100 places higher than him in the rankings. In October 2024, he won the doubles $25,000 ITF tournament in Cairns, Australia alongside Matt Hulme.

In January 2025, he was awarded a wildcard into the main draw of the men's doubles at the 2025 ASB Classic in Auckland, alongside Marcus Daniell where they were drawn against Roberto Carballes Baena and Luciano Darderi in the first round. In June, playing alongside Finn Reynolds, he won his first doubles Challenger title in Tyler, Texas, defeating Alex Martinez and Adrià Soriano Barrera in the final in straight sets. Alongside Reynolds, Watt made his Grand Slam debut in the men's doubles at the 2026 French Open.

ATP Tour finals Doubles: 1 (1 runner-up)

LegendGrand Slam (0–0)ATP 1000 (0–0)ATP 500 (0–0)ATP 250 (0–1)Finals by surfaceHard (0–1)Clay (0–0)Grass (0–0)

ATP Challenger and ITF Futures finals

Doubles: 17 (10 titles, 7 runners-up) LegendATP Challenger Tour (7–7)ITF Futures (3–0)Finals by surfaceHard (9–7)Clay (0–0)Grass (1–0)Carpet (0–0)