Stian Klaassen (NED)
Country: Netherlands,
Born in 2003 (22 years old),
Category: ATP
ATP Ranking
1146
0
Season High : 1143
Career High : 1068
ITF Ranking
-
Career High : 179
Tournaments played in 2025
See detailed tennis results of Stian Klaassen| Jul 07 | M25 | 1/8 | M25 The Hague 04, The Hague(NED) |
| Jul 07 | M25 | [Q] | M25 The Hague 04, The Hague(NED) |
| Jun 30 | M15 | [Q] | M15 Amstelveen 03, Amstelveen(NED) |
| Jun 23 | M15 | [Q] | M15 Alkmaar 02, Alkmaar(NED) |
| Jun 09 | M15 | F | M15 San Diego, CA 16, San Diego, CA(USA) |
| Jun 09 | M15 | [Q] | M15 San Diego, CA 16, San Diego, CA(USA) |
| Jun 02 | M15 | 1/8 | M15 San Diego, CA 14, San Diego, CA(USA) |
| Jun 02 | M15 | [Q] | M15 San Diego, CA 14, San Diego, CA(USA) |
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