Japan

N. Koizumi: Ranking, Schedule & Stats

ATP Rank
#955
Age
23

N. Koizumi is a professional tennis player from Japan, born 11 June 2003. The Japanese competes on the ATP Tour.

This page tracks N. Koizumi's upcoming schedule, latest results, recent form and surface record, with each match linking through to a detailed head-to-head and pre-match analysis. Scores update live as matches are played.

Rankings

Ranking Projection

No. 955ATP
12-month highNo. 940

Trajectory from our weekly snapshots. Defending— points dropping in the next ~12 weeks (last year's results at the same events). Win … — points gained by winning the round they're currently in. Expected — most likely landing rank from our draw model (Elo over the bracket). ATP points table.

Career highs

Ranking · last 12 monthsbestnow
No. 940No. 1028
No. 1015 · 6 Jul 2026No. 1028 · 13 Jul 2026No. 1028 · 14 Jul 2026No. 1028 · 16 Jul 2026No. 971 · 20 Jul 2026No. 946 · 28 Jul 2026No. 940 · 3 Aug 2026No. 940 · 9 Aug 2026No. 940 · 10 Aug 2026No. 955 · 17 Aug 2026
12 mo agonow
Umpiry Rating 1516 · peak 1520 · 2026Umpiry rank #1441 · ATP #955▼486

Ranking trajectory from our weekly snapshots (last ~12 months); peak rating and longest tour-level win streak from our match records. Umpiry rank is the player’s position by our rating — the arrow shows how many spots that is above (▲) or below (▼) their official ranking.

Upcoming matches

17:45
vsYi Lee K.
M25 Taipei · Round of 32 · hard

Exhibitions & team events

Shown for completeness — not counted in form, surface, or career stats. 12 matches (exhibitions, Davis / Laver / United Cup).

W
vsTanuma R.
M25 Taipei · Qual. Q16 · hard
6-16-3
W
vsHau Hung K.
M25 Taipei · Qual. Q32 · hard
6-36-1
L
vsRifqi Fitriadi M.
M15 Wuning 6 · Quarter-final · hard
7-670-60-6
W
vsVan Herzeele J.
M15 Wuning 6 · Round of 16 · hard
6-36-4
W
vsSarksian D.
M15 Wuning 6 · Round of 32 · hard
6-46-4
L
vsNordquist A.
M15 Wuning 5 · Semi-final · hard
6-71-6
W
vsVan Herzeele J.
M15 Wuning 5 · Quarter-final · hard
7-66-4
W
vsTrongcharoenchaikul W.
M15 Wuning 5 · Round of 16 · hard
2-67-67-6
W
vsKawahashi Y.
M15 Wuning 5 · Round of 32 · hard
6-5
L
vsFerguson C.
M15 Wuning 4 · Round of 32 · hard
6-73-6
L
vsTanuma R.
M15 Tokyo 2 · Qual. Q16 · hard
3-66-76
W
vsSouthcombe M.
M15 Tokyo 2 · Qual. Q32 · hard
6-35-710-5

More Japan players

Osaka N.#13 WTAShimabukuro S.#90 ATPUchijima M.#100 WTAMochizuki S.#112 ATPSakatsume H.#136 WTASakamoto R.#165 ATP

Explore the rankings

ATP rankingsLive rankingsRace to TurinElo rankings

Frequently asked questions

When was N. Koizumi born?

N. Koizumi was born on 11 June 2003 (23 years old).

Where is N. Koizumi from?

N. Koizumi is from Japan.