ATP

Rei Sakamoto

20.4 years old Date of birth: June 24, 2006

Current ATP ranking: 122
Points (live): 494; +25 since the start of the tournament

Photo: Hameltion / Wikimedia Commons, CC BY-SA 4.0

Profile

Best ranking: No. 124 (October 19, 2026)
Matches 2025: 2
Wins 2025: 0 (0%)
Titles / finals 2025: 0 / 0

Matches, wins, titles and finals: completed seasons in Grand Slam, Masters 1000, ATP 500 and 250 events tracked by the site, walkovers excluded. Best ranking: from the history saved by the site.

Rei Sakamoto is No. 122 in the ATP rankings with 494 points. Ahead is Dalibor Svrcina (No. 121) with 0 more points; behind is Sebastian Ofner (No. 123) with 3 fewer. Up 32 places since September 9, 2026. In 2025, on the main tour: 0 wins, 2 losses and no titles. Last 10 matches: 5 wins and 5 losses.

Ranking trend

Points trend

Current tournament progress

Seoul Challenger

Quarterfinal (eliminated)

Next (next round): —
Max (if they win the tournament): —

Last match

vs Billy Harris 3-0 ret.

Seoul Challenger 2026 · Challenger 125 · Quarterfinal · Hard

H2H

Record by season and surface

Season	W-L	Win %	Hard	Titles	Finals
2025	0-2	0%	0-2	0	0

Completed seasons; Grand Slams, Masters 1000, ATP 500 and 250 (no ATP Finals or Challengers). Walkovers excluded. By surface: only events whose court the calendar reports.

Form

Last 12 matches

5 wins, 7 losses

Balance −2

Miami Open - Miami 2025 Seoul Challenger 2026

The line starts at 0, goes up by one for every win and down by one for every loss. Walkovers excluded.

Recent matches

Result	Round	Opponent	Score	Head to head
Seoul Challenger 2026 · Challenger 125 · Hard
L	Quarterfinal	Billy Harris	3-0 ret.	H2H
W	Round of 16	Zhizhen Zhang	6-0 6-4	H2H
W	R32	Kasidit Samrej	6-3 6-4	H2H
Almaty Open - Almaty 2026 · 250 · Indoor
L	R32	Karen Khachanov	6-2 6-4	H2H
Shanghai Rolex Masters - Shanghai 2026 · Masters 1000 · Hard
L	R32	Alex De Minaur	7-6⁽⁶⁾ 6-4	H2H
W	R64	Andrey Rublev	6-4 6-4	H2H
W	R128	Marco Trungelliti	6-3 7-5	H2H
Japan Open Tennis Championships - Tokyo 2026 · 500 · Hard
L	R32	Matteo Arnaldi	2-6 6-4 6-4	H2H
U.S. Open - New York 2026 · Slam · Hard
L	R64	Frances Tiafoe	6-3 7-6⁽²⁾ 7-5	H2H
W	R128	Aleksandar Vukic	6-4 6-7⁽⁵⁾ 6-4 3-6 6-4	H2H

Matches from the tournaments tracked by the site, most recent first.

Season results

Year	Tournament	Round	Points
2026	Seoul Challenger · Challenger 125	Quarterfinal	25
2026	Almaty Open - Almaty · 250	R32	0
2026	Shanghai Rolex Masters - Shanghai · Masters 1000	R32	50
2026	Japan Open Tennis Championships - Tokyo · 500	R32	0
2026	Shanghai Challenger · Challenger 100	R32	5
2026	U.S. Open - New York · Slam	R64	50
2025	Brest Challenger · Challenger 100	R32	5
2025	Shanghai Rolex Masters - Shanghai · Masters 1000	R128	0