Netherlands

S. Klaassen: Ranking, Schedule & Stats

ATP Rank
#1382
Age
23

S. Klaassen is a professional tennis player from Netherlands, born 19 April 2003. The Dutchman competes on the ATP Tour.

This page tracks S. Klaassen'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. 1382ATP10 pts
12-month highNo. 1166

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. 1166No. 1894
No. 1166 · 30 May 2026No. 1166 · 1 Jun 2026No. 1166 · 8 Jun 2026No. 1169 · 15 Jun 2026No. 1169 · 17 Jun 2026No. 1169 · 18 Jun 2026No. 1169 · 22 Jun 2026No. 1894 · 28 Jun 2026No. 1169 · 29 Jun 2026No. 1737 · 6 Jul 2026No. 1630 · 13 Jul 2026No. 1630 · 14 Jul 2026No. 1630 · 16 Jul 2026No. 1372 · 20 Jul 2026No. 1382 · 28 Jul 2026
12 mo agonow
Umpiry Rating 1556 · peak 1559 · 2026Umpiry rank #1044 · ATP #1382▲338

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.

Exhibitions & team events

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

L
vsJohnson S.
M15 Rancho Santa Fe · Semi-final · hard
2-62-6
W
vsAnthrop J.
M15 Rancho Santa Fe · Quarter-final · hard
6-45-76-4
W
vsDean T.
M15 Rancho Santa Fe · Round of 16 · hard
6-36-4
W
vsZhang A.
M15 Rancho Santa Fe · Round of 32 · hard
6-06-0
L
vsGogineni V.
M15 San Diego · Round of 16 · hard
6-23-62-6
W
vsMiladinovic M.
M15 San Diego · Round of 32 · hard
6-16-3
L
vsPow L.
M15 Claremont · Round of 32 · hard
4-66-41-6
L
vsVanshelboim E.
M25 The Hague 1 · Round of 16 · clay
3-66-41-6
W
vsRaynel A.
M25 The Hague 1 · Round of 32 · clay
7-676-0
W
vsVan Donselaar F.
M25 The Hague 1 · Qual. Q16 · clay
6-06-0
W
vsBult J.
M25 The Hague 1 · Qual. Q32 · clay
6-16-0
L
vsPaardekooper S.
M15 Amstelveen 1 · Qual. Q16 · clay
3-61-6

More Netherlands players

Griekspoor T.#67 ATPVan De Zandschulp B.#69 ATPDe Jong J.#106 ATPLamens S.#145 WTARus A.#184 WTAVedder E.#192 WTA

Explore the rankings

ATP rankingsLive rankingsRace to TurinElo rankings

Frequently asked questions

When was S. Klaassen born?

S. Klaassen was born on 19 April 2003 (23 years old).

Where is S. Klaassen from?

S. Klaassen is from Netherlands.