Kaichi Uchida

is a Japanese professional tennis player. Uchida has a career high ATP singles ranking of world No. 147 achieved on 8 May 2023. He also has a career high ATP doubles ranking of No. 156 achieved on 16 June 2025.

Career 2021: Maiden Challenger title He won his first career ATP Challenger Tour singles title in December 2021 in Rio de Janeiro, Brazil where he defeated Nicolás Álvarez Varona of Spain.

2022: ATP debut and first win He made his ATP debut at the 2022 Los Cabos Open as a qualifier.

Having received a wildcard, he recorded his first ATP main-draw match win at the Korea Open defeating wildcard Hong Seong-chan.

2023: Top 150 debut Uchida reached the top 150 on 24 April 2023.

National Representation Davis Cup In March 2021, Uchida made his debut in the Davis Cup where he represented team Japan on grass courts against team Pakistan. He won the only match that he played, in singles, against Aisam Qureshi in straight sets 6–4, 7–6(7–4). He was meant to play an additional singles match but it became a dead rubber as the match's result wouldn't have changed the outcome of the tie.

ATP Challenger Tour finals

Singles: 3 (2 titles, 1 runner-up) LegendATP Challenger Tour (2–1)

Doubles: 9 (4 titles, 5 runner-ups) LegendATP Challenger Tour (4–5)Finals by surfaceHard (2–3)Clay (2–2)

ITF Futures/World Tennis Tour finals

Singles: 20 (12 titles, 8 runner-ups) LegendITF Futures/WTT (12–8)Finals by surfaceHard (6–4)Clay (6–4)Grass (0–0)Carpet (0–0)

Doubles: 17 (11 titles, 6 runner-ups) LegendITF Futures/WTT (11–6)Finals by surfaceHard (9–4)Clay (2–2)Grass (0–0)Carpet (0–0)