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Guttau Niklas Stats, Results & Fixtures
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 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 | ||
| Semi-finals | Gray A. | Guttau N. | 1:2 (4:6, 6:4, 63:7) | details | 19.10.2025 | ||
 Romania: M15 Otopeni - Singles - Main | |||||||
| Quarter-finals | Guttau N. | Palosi S. | 1:2 (3:6, 7:610, 4:6) | details | 26.09.2025 | ||
| 1/8-finals | Ionel N. D. | Guttau N. | 1:2 (4:6, 6:1, 4:6) | details | 25.09.2025 | ||
| 1/16-finals | Guttau N. | Fabre A. | 2:1 (6:3, 4:6, 6:0) | details | 24.09.2025 | ||
 Poland: M25 Poznan - Singles - Main | |||||||
| 1/16-finals | Lechno-Wasiutynski F. | Guttau N. | 2:0 (6:2, 6:3) | details | 27.08.2025 | ||
 Sweden: M15 Bastad 2 - Singles - Main | |||||||
| 1/16-finals | Larwig N. | Guttau N. | 2:1 (7:64, 3:6, 7:5) | details | 20.08.2025 | ||
| Romania: M25 Satu Mare - Singles - Main | |||||||
| Quarter-finals | Guttau N. | Marti Pujolras A. | 0:0 RET. (1:3) | details | 30.05.2025 | ||
| 1/8-finals | Krumich M. | Guttau N. | 1:2 (6:2, 4:6, 63:7) | details | 29.05.2025 | ||
| 1/16-finals | Guttau N. | Cuceu A. | 2:0 (6:0, 6:1) | details | 28.05.2025 | ||
 Netherlands: M15 Oldenzaal - Singles - Main | |||||||
| 1/16-finals | Guttau N. | Lootsma N. | 0:2 (3:6, 2:6) | details | 18.08.2021 | ||
| Germany: Hamburg - Singles - Qualification | |||||||
| Semi-finals | Taberner C. | Guttau N. | 2:0 (6:1, 6:2) | details | 10.07.2021 | ||
| Germany: DTB German Pro Series - Second stage - Play Offs | |||||||
| 3rd place | Guttau N. | Florig P. | 2:0 (6:2, 7:62) | details | 26.06.2020 | ||
| Germany: DTB German Pro Series - Second stage | |||||||
| Group 5 | Heller P. | Guttau N. | 2:0 (6:1, 6:2) | details | 25.06.2020 | ||
| Group 5 | Guttau N. | Florig P. | 2:1 (68:7, 6:2, 6:1) | details | 24.06.2020 | ||
| Group 5 | Bachinger M. | Guttau N. | 2:0 (6:3, 6:1) | details | 23.06.2020 | ||
| Germany: DTB German Pro Series - First stage - Play Offs | |||||||
| 7th place | Oetzbach A. | Guttau N. | 2:1 (6:3, 2:6, 6:2) | details | 14.06.2020 | ||
| Germany: DTB German Pro Series - First stage | |||||||
| Group 5 | Guttau N. | Gerch L. | 0:2 (4:6, 3:6) | details | 13.06.2020 | ||
| Group 5 | Altmaier D. | Guttau N. | 2:1 (6:3, 4:6, 6:3) | details | 12.06.2020 | ||
| Group 5 | Marterer M. | Guttau N. | 2:0 (6:1, 6:3) | details | 11.06.2020 | ||
 Tunisia: M15 Monastir 10 - Singles - Main | |||||||
| 1/16-finals | Korolev V. | Guttau N. | 2:0 (6:2, 6:1) | details | 10.03.2020 | ||
| Germany: Eckental - Singles - Main | |||||||
| 1/32-finals | Cressy M. | Guttau N. | 2:0 (6:3, 7:5) | details | 29.10.2019 | ||
| Germany: Hamburg - Singles - Main | |||||||
| 1/32-finals | Sels J. | Guttau N. | 2:0 (7:60, 6:2) | details | 22.10.2019 | ||
| Germany: Augsburg - Singles - Main | |||||||
| 1/16-finals | Mena F. | Guttau N. | 2:0 (6:4, 7:5) | details | 06.08.2019 | ||
| Germany: Braunschweig - Singles - Main | |||||||
| 1/32-finals | Guttau N. | Kamke T. | 0:2 (5:7, 4:6) | details | 08.07.2019 | ||
| Germany: Saarlouis - Singles - Main | |||||||
| 1/8-finals | Guttau N. | Boehler D. | 0:2 (4:6, 5:7) | details | 04.07.2019 | ||
| 1/16-finals | Erler A. | Guttau N. | 1:2 (4:6, 6:4, 5:7) | details | 02.07.2019 | ||
| Germany: Kaltenkirchen - Singles - Main | |||||||
| 1/8-finals | Eriksson M. | Guttau N. | 2:0 (6:3, 6:1) | details | 12.06.2019 | ||
| 1/16-finals | Guttau N. | Hijikata R. | 2:0 (6:3, 6:1) | details | 11.06.2019 | ||
| Germany: Hamburg - Singles - Qualification | |||||||
| Semi-finals | Kovalik J. | Guttau N. | 2:0 (6:0, 6:1) | details | 21.07.2018 | ||
| Germany: Kaltenkirchen - Singles - Main | |||||||
| 1/16-finals | Gonzalez W. | Guttau N. | 2:0 (6:3, 7:64) | details | 19.06.2018 | ||
| Germany: Kaltenkirchen - Singles - Main | |||||||
| 1/16-finals | Guttau N. | Kocevar-Desman T. | 0:2 (3:6, 2:6) | details | 20.06.2017 | ||
- 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 | ||
| Germany: Braunschweig - Doubles - Main | |||||||
| 1/8-finals | Gonzalez S./Koolhof W. | Guttau N./Von Massow G. | 2:0 (7:67, 6:1) | details | 10.07.2018 | ||
