Poland: M25 Poznan - Singles - Main
Netherlands: M15 Oldenzaal - Singles - Main
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Guttau Niklas Stats, Results & Fixtures
- Show:
 Czech Republic: M25 Hradec Kralove - Singles - Main | |||||||
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| 1/8-finals | Guttau N. | Siniakov D. | 0:2 (65:7, 2:6) | details | 27.11.2025 | ||
| 1/16-finals | Guttau N. | Chodora R. | 2:0 (7:5, 6:1) | details | 25.11.2025 | ||
 Spain: M15 Las Palmas de Gran Canaria - Singles - Main | |||||||
| 1/16-finals | Guttau N. | Bosio G. | 1:2 (6:4, 2:6, 2:6) | details | 12.11.2025 | ||
 Hungary: M15 Szabolcsveresmart - Singles - Main | |||||||
| 1/16-finals | Guttau N. | Derepasko T. | 0:2 (2:6, 4:6) | details | 29.10.2025 | ||
| Germany: Hamburg - Singles - Qualification | |||||||
| Final | Guttau N. | Jong S. | 0:2 (2:6, 1:6) | details | 20.10.2025 | ||
- Show:
| Spain: M15 Las Palmas de Gran Canaria - Doubles - Main | |||||||
|---|---|---|---|---|---|---|---|
| 1/8-finals | Palomar X./Talan Lopatic L. | Guttau N./Larwig N. | CAN. | details | 12.11.2025 | ||
 Romania: M15 Otopeni - Doubles - Main | |||||||
| 1/8-finals | Guttau N./Larwig N. | Antonescu V./Coman M. A. | 1:2 (2:6, 7:63, 4:10) | details | 23.09.2025 | ||
 Sweden: M15 Bastad 2 - Doubles - Main | |||||||
| 1/8-finals | Johansson O./Shepp A. | Guttau N./Larwig N. | 2:0 (6:3, 6:2) | details | 19.08.2025 | ||
 Turkey: M15 Antalya 14 - Doubles - Main | |||||||
| 1/8-finals | Cobolli F./Gigante M. | Guttau N./Von Massow G. | CAN. | details | 06.04.2021 | ||
 Tunisia: M15 Monastir 10 - Doubles - Main | |||||||
| 1/8-finals | Guttau N./Presuhn B. | Cordonnier G./Roveri Sidney G. | 0:0 RET. (0:2) | details | 12.03.2020 | ||
