Zdenek Kolar - Jan Kumstat
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Liberec 2026 (clay)
| Head to heads | ||
|---|---|---|
| Zdenek Kolar | 0:1 | Jan Kumstat |
Czech Republic |
Country | Czech Republic |
| 203 | Ranking | 189 |
| 335 (pts 62, tourn. 14) | Ranking by surface | (pts , tourn. ) |
| Date | Tournament | Match | Surface | Score |
| 27.07.2026 | Liberec | Zdenek Kolar - Jan Kumstat | clay | 1:2 (2:6, 6:4, 3:6) |
| Zdenek Kolar - last games | |||||
|---|---|---|---|---|---|
| Surface: | |||||
| Date | Tournament | Opponent | Surface | Round | Score |
| 02.11.2026 | Costa do Sauipe | Elmer Moller | clay | First round | L 0:2 (2:6, 2:6) |
| 19.10.2026 | Florence | Federico Bondioli | clay | First round | L 1:2 (6:4, 3:6, 2:6) |
| 16.10.2026 | San Gregorio di Catania | Radu Mihai Papoe | clay | Quarter-finals | L 0:2 (4:6, 2:6) |
| 14.10.2026 | San Gregorio di Catania | Filip Cristian Jianu | clay | Second round | W 2:0 (6:4, 6:2) |
| 12.10.2026 | San Gregorio di Catania | Francesco Forti | clay | First round | W 2:1 (7:6, 2:6, 7:6) |
| 07.10.2026 | Palermo | Michele Ribecai | clay | Second round | L 0:2 (1:6, 1:6) |
| 18.09.2026 | Szczecin | Nikolas Sanchez-Izquierdo | clay | Quarter-finals | L 0:2 (1:6, 3:6) |
| 17.09.2026 | Szczecin | Hynek Barton | clay | Second round | W 2:0 (6:4, 6:4) |
| 15.09.2026 | Szczecin | Ivan Gakhov | clay | First round | W 2:1 (4:6, 6:2, 6:2) |
| 11.09.2026 | Tulln | Alex Barrena | clay | Quarter-finals | L 1:2 (7:6, 5:7, 5:7) |
| 09.09.2026 | Tulln | Martin Krumich | clay | Second round | W 2:0 (6:2, 6:4) |
| 08.09.2026 | Tulln | Olle Wallin | clay | First round | W 2:0 (6:3, 7:5) |
| 31.08.2026 | Porto | Oriol Roca Batalla | clay | First round | L 0:2 (1:6, 1:6) |
| 25.08.2026 | US Open | Borna Gojo | hard | Qualifications - 1st round | L 0:2 (1:6, 4:6) |
| 04.08.2026 | Hagen | Raul Brancaccio | clay | First round | L 0:2 (4:6, 4:6) |
| 27.07.2026 | Liberec | Jan Kumstat | clay | First round | L 1:2 (2:6, 6:4, 3:6) |
| 20.07.2026 | Zug | Thiago Seyboth Wild | clay | First round | L 0:2 (3:6, 2:6) |
| 14.07.2026 | Gstaad | Juan Manuel Cerundolo | clay | First round | L 1:2 (6:4, 3:6, 4:6) |
| 09.07.2026 | Iasi | Taro Daniel | clay | Second round | L 0:2 (4:6, 3:6) |
| 06.07.2026 | Iasi | Stefan Palosi | clay | First round | W 2:0 (7:5, 6:0) |
| Jan Kumstat - last games | |||||
|---|---|---|---|---|---|
| Surface: | |||||
| Date | Tournament | Opponent | Surface | Round | Score |
| 06.11.2026 | Taipei | Harold Mayot | hard | Quarter-finals | W 2:1 (3:6, 7:6, 6:4) |
| 04.11.2026 | Taipei | Billy Harris | hard | Second round | W 2:0 (7:6, 6:4) |
| 02.11.2026 | Taipei | Joel Schwaerzler | hard | First round | W 2:1 (7:5, 3:6, 7:6) |
| 27.10.2026 | Seoul | Sho Shimabukuro | hard | First round | L 0:2 (4:6, 0:6) |
| 18.10.2026 | Lyon | Michael Mmoh | hard | Qualifications - 1st round | L 1:2 (1:6, 7:6, 3:6) |
| 15.10.2026 | Olbia | Jacob Fearnley | hard | Second round | L 0:2 (4:6, 3:6) |
| 13.10.2026 | Olbia | Edas Butvilas | hard | First round | W 2:0 (7:6, 7:6) |
| 31.08.2026 | Como | Juan Pablo Varillas | clay | First round | L 0:2 (4:6, 3:6) |
| 22.08.2026 | Prague | Chun Hsin Tseng | clay | Final | W 2:1 (5:7, 6:3, 6:0) |
| 21.08.2026 | Prague | Filip Cristian Jianu | clay | Semi-finals | W 2:0 (6:1, 6:4) |
| 20.08.2026 | Prague | Maxim Mrva | clay | Quarter-finals | W 2:0 (6:1, 7:5) |
| 19.08.2026 | Prague | Sumit Nagal | clay | Second round | W 2:0 (7:5, 6:3) |
| 18.08.2026 | Prague | Petr Brunclik | clay | First round | W 2:0 (7:5, 6:1) |
| 16.08.2026 | Hamburg | Marvin Moeller | clay | Final | W 2:1 (4:6, 7:6, 7:5) |
| 15.08.2026 | Hamburg | Matheus Pucinelli De Almeida | clay | Semi-finals | W 2:1 (6:4, 5:7, 6:2) |
| 14.08.2026 | Hamburg | Carlos Taberner | clay | Quarter-finals | W 0:0 (5:7) Retired |
| 13.08.2026 | Hamburg | Max Houkes | clay | Second round | W 2:0 (6:4, 7:6) |
| 11.08.2026 | Hamburg | Jamie Mackenzie | clay | First round | W 2:1 (6:7, 6:3, 6:3) |
| 02.08.2026 | Liberec | Gonzalo Bueno | clay | Final | W 2:0 (6:3, 6:1) |
| 01.08.2026 | Liberec | Sumit Nagal | clay | Semi-finals | W 2:0 (7:5, 6:4) |

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