Player data updated: 2026-09-01 03:21 UTC

Rei Sakamoto

JPN Age 20 193 cm / 6'4" Plays: Right-Handed ATP Tour years active: 2025–2026

Rei Sakamoto represents Japan on the ATP Tour and is ranked No. 157, with a career high of No. 148. In TennisDB's records, Rei Sakamoto has a career record of 2–5 and no singles titles.

Ranking

157

Career high

148 (Jun 15, 2026)

Elo peak

1640 (42nd percentile)

Career record

2–5 (28.6%)

Career titles

Prize money

$570,440

YTD W-L

2–3

Records cover recorded main-draw singles results in TennisDB's ATP event archive, including credited walkovers; qualifying is shown separately below.

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ATP Matches full match log →

Rei Sakamoto's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Aleksandar Vukic #95	6-4 6-7(5) 6-4 3-6 6-4	W	H2H	Match data	Aug 30, 2026	R128	US Open	Grand Slam	Hard
Kei Nishikori #477	6-4 7-6(3)	W	H2H	Match data	Aug 28, 2026	Q3 Q	US Open	Grand Slam	Hard
Alexandre Muller #138	6-3 6-3	W	H2H	Match data	Aug 26, 2026	Q2 Q	US Open	Grand Slam	Hard
Jay Clarke #239	4-6 6-3 6-4	W	H2H	Match data	Aug 25, 2026*	Q1 Q	US Open	Grand Slam	Hard
Jaime Faria #97	6-7(3) 6-4 3-6 4-6	L	H2H	Match data	Jun 25, 2026	Q3 Q	Wimbledon	Grand Slam	Grass

Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.

Rivals all rivalries →

Rei Sakamoto's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Aleksandar Vukic	1	0	1	Aug 30, 2026	H2H
Daniil Medvedev	0	1	1	Mar 21, 2026	H2H
Aleksandar Kovacevic	1	0	1	Mar 20, 2026	H2H
Rafael Jodar	0	1	1	Jan 20, 2026	H2H
Lorenzo Sonego	0	1	1	Jan 8, 2026	H2H

Career Results

Rei Sakamoto career results by season
Season	Age	Type	W	L	M	Win %	Start Rank	End Rank
2024	18	Qualifying Q	0	2	2	0.0%	—	—
2025	19	Qualifying Q	6	5	11	54.5%	—	—
2025	19	ATP	0	2	2	0.0%	365	184
2026	20	Qualifying Q	10	5	15	66.7%	—	—
2026	20	ATP	2	3	5	40.0%	200	157
Career		—	2	5	7	28.6%	—	—

Career Results by Surface

Rei Sakamoto career results by season and surface
Season	Age	Type	Hard				Clay				Grass				Total
Season	Age	Type	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
2024	18	Qualifying Q	0	2	2	0.0%	—	—	—	—	—	—	—	—	0	2	2	0.0%
2025	19	Qualifying Q	6	5	11	54.5%	—	—	—	—	—	—	—	—	6	5	11	54.5%
2025	19	ATP	0	2	2	0.0%	—	—	—	—	—	—	—	—	0	2	2	0.0%
2026	20	Qualifying Q	6	1	7	85.7%	2	3	5	40.0%	2	1	3	66.7%	10	5	15	66.7%
2026	20	ATP	2	3	5	40.0%	—	—	—	—	—	—	—	—	2	3	5	40.0%
Career	—	—	2	5	7	28.6%	—	—	—	—	—	—	—	—	2	5	7	28.6%

Career Results by Opponent Rank

Rei Sakamoto career results by season and opponent rank
Season	Age	1-10				11-30				31-100				100+				Total
Season	Age	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
2025	19	0	0	—	—	0	0	—	—	0	2	2	0.0%	0	0	—	—	0	2	2	0.0%
2026	20	0	1	1	0.0%	0	0	—	—	2	1	3	66.7%	0	1	1	0.0%	2	3	5	40.0%
Career		0	1	1	0.0%	0	0	—	—	2	3	5	40.0%	0	1	1	0.0%	2	5	7	28.6%

Performance Stats

Rei Sakamoto performance statistics by season
Season	Age	Sample	Aces/M	DFs/M	1st Sv%	1st Sv Pts%	2nd Sv Pts%	BP Saved%	BP Conv%	Svc Pts%	Ret Pts%
2025	19	2/2	4.0	1.0	65.5%	67.5%	52.5%	70.5%	33.5%	62.5%	27.5%
2026	20	5/5	13.8	2.2	62.4%	71.6%	57.2%	36.0%	34.2%	66.8%	29.2%
Career		7/7	11.0	1.9	63.3%	70.4%	55.9%	45.9%	34.0%	65.6%	28.7%

Advanced Stats

Rei Sakamoto advanced statistics by season
Season	Age	Elo	P+	Serve+	Return+	PD	TPW%	Hard Elo	Clay Elo	Grass Elo	Set Win %	Set Margin	Dec. Set	Tiebreak	Pressure+	Schedule
2024	18	1473	96.1	—	—	—	—	—	—	—	—	—	—	—	—	—
2025	19	1523	110.6	-1.19	-3.20	0.733	47.0%	—	—	—	0.0%	-1.75	—	0–1	—	-0.11
2026	20	1640	122.8	+0.78	-1.97	0.880	47.8%	+24	—	—	44.4%	-0.83	2–2 (50%)	2–3 (40%)	99.9	+0.33
Career		1640	116.1	+0.22	-2.32	0.834	47.6%	+24	—	—	36.4%	-1.00	2–2 (50%)	2–4 (33%)	99.1	+3.14

Tournament Results by Category

Grand Slams

Rei Sakamoto Grand Slams results by season
Season	Age	AO	RG	W	USO	W-L Win %
2025	19	Q1	—	—	Q2	1–2 (33%)
2026	20	R128	Q1	Q3	R128	9–3 (75%)
W-L		3–2 (60%)	0–1 (0%)	2–1 (67%)	5–1 (83%)	10–5 (67%)

Masters 1000

Rei Sakamoto Masters 1000 results by season
Season	Age	IW	MAD	MIA	SHA	W-L Win %
2024	18	—	—	Q1	—	0–1 (0%)
2025	19	—	—	R128	R128	4–2 (67%)
2026	20	Q1	Q2	R64	—	2–3 (40%)
W-L		0–1 (0%)	1–1 (50%)	3–3 (50%)	2–1 (67%)	6–6 (50%)

ATP 500

Rei Sakamoto ATP 500 results by season
Season	Age	TKY	W-L Win %
2024	18	Q1	0–1 (0%)
2025	19	Q2	1–1 (50%)
W-L		1–2 (33%)	1–2 (33%)

ATP 250

Rei Sakamoto ATP 250 results by season
Season	Age	CDU	HKG	MRK	STO	W-L Win %
2025	19	Q1	—	—	Q1	0–2 (0%)
2026	20	—	R32	Q2	—	1–2 (33%)
W-L		0–1 (0%)	0–1 (0%)	1–1 (50%)	0–1 (0%)	1–4 (20%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Current rank

157

Career high

148

Career-high date

Jun 15, 2026

First Top 100

—

First Top 50

—

First Top 20

—

First Top 10

—

Ranking History Matrix

Rei Sakamoto ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2022	16	—	—	—	—	—	—	—	—	1232	1149	1172	1174
2023	17	1169	1134	1070	1038	1004	1006	1022	1013	1164	1248	1183	947
2024	18	952	915	955	971	992	826	831	817	779	791	682	413
2025	19	364	371	279	281	288	291	205	197	188	177	159	184
2026	20	203	157	166	159	153	150	166	157	—	—	—	—

Similar Players

Other ATP players with comparable peak level, era, career record, and career scale.

Rei Sakamoto's most statistically similar ATP players
Player	Country	Peak Rank	Peak Elo	M	W	L	Win %	Years	Match Log
Vitaliy Sachko	UKR	156	1,543	11	3	8	27.3%	2020–2026	Match log
Juan Carlos Prado Angelo	BOL	151	1,555	3	1	2	33.3%	2026–2026	Match log
Ugo Blanchet	FRA	139	1,663	13	4	9	30.8%	2024–2026	Match log
Colton Smith	USA	133	1,620	10	3	7	30.0%	2025–2026	Match log
Federico Agustin Gomez	ARG	133	1,604	10	3	7	30.0%	2024–2026	Match log
Mark Lajal	EST	145	1,642	8	3	5	37.5%	2023–2026	Match log
Gauthier Onclin	BEL	158	1,573	3	1	2	33.3%	2025–2026	Match log
Gustavo Heide	BRA	128	1,599	10	3	7	30.0%	2024–2026	Match log
Stefanos Sakellaridis	GRE	136	1,551	3	1	2	33.3%	2025–2026	Match log
Clement Tabur	FRA	159	1,600	8	3	5	37.5%	2025–2026	Match log
Alexis Galarneau	CAN	153	1,567	7	1	6	14.3%	2022–2026	Match log
James McCabe	AUS	164	1,547	10	2	8	20.0%	2024–2026	Match log

Frequently Asked Questions

How old is Rei Sakamoto?: Rei Sakamoto is 20 years old, born on June 24, 2006.
Which country does Rei Sakamoto represent?: Rei Sakamoto represents Japan in TennisDB's ATP records.
How tall is Rei Sakamoto?: Rei Sakamoto is 193 cm / 6'4".
Is Rei Sakamoto left-handed or right-handed?: Rei Sakamoto plays right-handed.
How many Grand Slams has Rei Sakamoto won?: Rei Sakamoto has not won a Grand Slam title.
How many Masters 1000 titles has Rei Sakamoto won?: TennisDB does not group any of Rei Sakamoto's titles under the modern Masters 1000 category.
What is Rei Sakamoto's highest ATP ranking?: Rei Sakamoto's career-high ATP singles ranking is world No. 148, first achieved on June 15, 2026.
What is Rei Sakamoto's career win-loss record?: Rei Sakamoto has a career ATP singles record of 2 wins and 5 losses (28.6%).
How much career prize money has Rei Sakamoto earned?: Rei Sakamoto has earned at least $570,440 in career prize money from professional tennis.
Which seasons of Rei Sakamoto's career appear in TennisDB?: Rei Sakamoto appears in TennisDB's ATP main-tour match records from 2025 through 2026.
Who has Rei Sakamoto faced most often?: Rei Sakamoto's most frequent opponent is Aleksandar Vukic, with a head-to-head record of 1–0 across 1 meeting.