Seiya Nakanishi

Japan30 years oldRight-handed1.88 m

ATP rank

#18167 places this week

Points: 2
Career high: #1605Sep 2022
Titles: 0
2026: 10–11

#1816This week

Best #1605 in Sep 2022

No match scheduled.

Points to defend

1points to defend in the next 8 weeks

Next: Yanagawa City, 1 pts on Nov 9

Pro shows every event being defended, the round and its share of the total.

See it with Pro

ATP rankings breakdown, Sep 28

Splits

Matches

10–1148%

21 matches in 2026

LatestBeat Chikaya Sato, Yanagawa City Q227 Oct

Sets: 21–2744%
Tiebreaks: 2–167%
Deciding sets: 5–183%
From a set down: 2–1017%
Finals: 0–0

Yanagawa City 2026ITF M15Court speedWon Q2

Wulfrano Martinez Mora Esdras

032

Tanagura 2026ITF M15Court speedLost Q2

Sapporo 2026ITF M25Court speedLost R16

R1610 Sep

R328 Sep

267⁹

006⁷

Urayasu 2026ITF M25Court speedLost R32

R322 Sep

27⁷110

Tokyo 2026ITF M15Court speedLost Q1

Serve & return

Last 12 months against the tour average

Pro Holds, breaks, aces, first and second serve, break points saved and return points won, each against the tour average.

Season by season

104 matches on record

SeasonAllHardClayGrassTitlesBest rank

202610–1110–100–1–#1809

202510–139–121–1–#1679

20248–88–8––#1679

20232–60–52–1–#1629

20221–31–3––#1635

20190–10–1––

Best wins, last 12 months

UrayasuQualifying R231 Aug

Seiya Nakanishi

27⁷110

Alejandro Hayen

16²62

SapporoQualifying R16 Sep

HarmonQualifying R21 Jun

Yanagawa CityQualifying R127 Oct

Seiya Nakanishi

266

Wulfrano Martinez Mora Esdras

032

Most played

Head-to-head against the opponents Nakanishi has met most