Jan Kobierski
Updated
- Rating6118.22
- ATP rank#2075
- Last 107-3
- Last 304-3
- Current streak4 Wins
Recent match previews
- 2026-10-09: vs Luc Wieland, ATP USA UTR Pro Tennis Series (exh.) (USA)
- 2026-10-08: vs Lambert Ruland, ATP USA UTR Pro Tennis Series (exh.) (USA)
Match effects, last 365 days
| Date | Opponent | Opp Rank | Opp Rating | Score | Result | Effect | % of Ranking | Tour | Tournament | Note |
|---|---|---|---|---|---|---|---|---|---|---|
| 10.10.2026 | Luc Wieland | 1753 | 6170.78 | 6-4, 6-4 | Win | 202.56 | 167.53% | ATP SINGLES / 10.10.2026 | USA USA UTR Pro Tennis Series | |
| 09.10.2026 | Lambert Ruland | 1478 | 6223.37 | 6-4, 6-4 | Win | 255.15 | 166.25% | ATP SINGLES / 09.10.2026 | USA USA UTR Pro Tennis Series | |
| 08.10.2026 | Connor Robb Wilcox | 1959 | 6139.16 | 5-7, 6-4, 6-4 | Win | 82.70 | 233.71% | ATP SINGLES / 08.10.2026 | USA USA UTR Pro Tennis Series | |
| 07.10.2026 | William Kleege | 2788 | 6020.07 | 6-2, 6-4 | Win | 89.35 | 163.71% | ATP SINGLES / 07.10.2026 | USA USA UTR Pro Tennis Series | |
| 06.10.2026 | Manvydas Balciunas | 1148 | 6302.23 | 4-6, 7-6, 6-0 | Loss | 234.01 | 162.45% | ATP SINGLES / 06.10.2026 | USA USA UTR Pro Tennis Series | |
| 03.10.2026 | Jacob Brumm | 1721 | 6177.24 | 6-0, 7-6 | Loss | 9.02 | 79.37% | ATP SINGLES / 03.10.2026 | USA USA UTR Pro Tennis Series | |
| 03.10.2026 | Xavier Calvelo | 1601 | 6198.99 | 6-4, 7-6 | Loss | -9.23 | 132.28% | ATP SINGLES / 03.10.2026 | USA USA UTR Pro Tennis Series | |
| 02.10.2026 | Adam Chodur | 3222 | 5952.71 | 3-6, 6-2, 6-2 | Win | -21.52 | 196.90% | ATP SINGLES / 02.10.2026 | USA USA UTR Pro Tennis Series | |
| 01.10.2026 | Peter Jorniak | 3672 | 5881.62 | 6-3, 7-5 | Win | -71.60 | 156.31% | ATP SINGLES / 01.10.2026 | USA USA UTR Pro Tennis Series | |
| 29.09.2026 | Luca Ostovany | 2835 | 6012.97 | 3-6, 6-2, 7-5 | Win | 8.75 | 192.41% | ATP SINGLES / 29.09.2026 | USA USA UTR Pro Tennis Series | |
| 20.09.2026 | Spencer Johnson | 478 | 6527.17 | 7-6, 6-3 | Loss | 315.62 | 107.71% | ATP SINGLES / 20.09.2026 | USA San Diego | |
| 29.07.2026 | John Hallquist Lithen | 895 | 6367.87 | 6-2, 6-3 | Loss | 41.79 | 39.79% | ATP SINGLES / 29.07.2026 | Austria Wels | |
| 15.07.2026 | Max Wiskandt | 494 | 6517.32 | 6-1, 7-5 | Loss | 207.58 | 42.86% | ATP SINGLES / 15.07.2026 | Austria Kramsach | |
| 27.06.2026 | Simon Traxler | 4805 | 5660.06 | 7-6, 6-3 | Win | -343.16 | 74.63% | ATP SINGLES / 27.06.2026 | Austria Austrian Bundesliga | |
| 22.06.2026 | David Naharro | 1803 | 6162.91 | 6-1, 6-0 | Loss | -195.32 | 5.98% | ATP SINGLES / 22.06.2026 | Slovenia Slovenska Bistrica | |
| 21.06.2026 | Alexander Gschiel | 1807 | 6162.23 | 7-5, 7-6 | Win | 144.01 | 71.26% | ATP SINGLES / 21.06.2026 | Slovenia Slovenska Bistrica | |
| 20.06.2026 | Matthias Raubinger | 3568 | 5898.76 | 6-0, 7-5 | Win | -19.46 | 70.71% | ATP SINGLES / 20.06.2026 | Austria Austrian Bundesliga | |
| 13.06.2026 | Aziz Kijametovic | 4283 | 5781.02 | 6-3, 6-4 | Loss | -500.06 | 39.08% | ATP SINGLES / 13.06.2026 | Austria Austrian Bundesliga | |
| 06.06.2026 | Deni Zmak | 1208 | 6285.91 | 6-3, 6-1 | Loss | -27.31 | 21.16% | ATP SINGLES / 06.06.2026 | Austria Austrian Bundesliga | |
| 04.06.2026 | Linus Erhart | 1692 | 6183.85 | 6-3, 3-6, 1-0 | Loss | 125.63 | 46.88% | ATP SINGLES / 04.06.2026 | Austria Austrian Bundesliga | |
| 25.05.2026 | Piet Luis Pinter | 1937 | 6142.18 | 7-5, 6-1 | Loss | -141.04 | 28.94% | ATP SINGLES / 25.05.2026 | Austria Austrian Bundesliga | |
| 23.05.2026 | Andrew Paulson | 395 | 6568.08 | 6-1, 6-1 | Loss | 0.00 | 9.50% | ATP SINGLES / 23.05.2026 | Austria Austrian Bundesliga | |
| 29.03.2026 | Alexander Frusina | 1310 | 6260.48 | 6-1, 6-2 | Loss | -87.74 | 9.33% | ATP SINGLES / 29.03.2026 | Dual Match College | |
| 27.03.2026 | Oliver Ojakaar | 715 | 6421.65 | 6-2, 6-2 | Loss | 0.00 | 12.25% | ATP SINGLES / 27.03.2026 | Dual Match College | |
| 22.03.2026 | Henry Jefferson | 1603 | 6198.77 | 6-3, 6-4 | Loss | -82.31 | 20.62% | ATP SINGLES / 22.03.2026 | Dual Match College | |
| 15.03.2026 | Matic Kriznik | 1496 | 6218.57 | 6-2, 4-6, 1-0 | Loss | 156.60 | 22.33% | ATP SINGLES / 15.03.2026 | Dual Match College | |
| 15.03.2026 | Alex Aldaz | 4785 | 5665.92 | 6-1, 6-3 | Win | -136.15 | 33.50% | ATP SINGLES / 15.03.2026 | Dual Match College | |
| 13.03.2026 | Gabriel Elicha Navas | 2068 | 6119.64 | 6-2, 4-6, 6-4 | Win | 104.55 | 43.98% | ATP SINGLES / 13.03.2026 | Dual Match College | |
| 06.03.2026 | Niccolo Baroni | 1120 | 6309.85 | 7-5, 6-4 | Loss | 41.63 | 23.44% | ATP SINGLES / 06.03.2026 | Dual Match College | |
| 27.02.2026 | Freddy Blaydes | 2180 | 6102.25 | 6-4, 6-2 | Win | 171.52 | 29.62% | ATP SINGLES / 27.02.2026 | Dual Match College | |
| 23.02.2026 | Nathan Cox | 1331 | 6254.68 | 6-2, 6-1 | Loss | -93.54 | 7.18% | ATP SINGLES / 23.02.2026 | Dual Match College | |
| 21.02.2026 | Charlelie Cosnet | 1641 | 6193.59 | 6-4, 7-5 | Loss | -74.63 | 21.21% | ATP SINGLES / 21.02.2026 | Dual Match College | |
| 18.02.2026 | Cortland Grove | 7779 | 3704.07 | 6-4, 6-1 | Win | -1132.08 | 27.63% | ATP SINGLES / 18.02.2026 | Dual Match College | |
| 08.02.2026 | Arnav Bhandari | 3032 | 5979.10 | 6-3, 6-4 | Win | 25.88 | 25.58% | ATP SINGLES / 08.02.2026 | Dual Match College | |
| 29.01.2026 | Adrian Contreras | 7095 | 4430.05 | 3-6, 6-1, 1-0 | Win | -724.27 | 19.74% | ATP SINGLES / 29.01.2026 | Dual Match College | |
| 29.01.2026 | Sebastian Baumann | 7617 | 3865.74 | 7-5, 6-2 | Win | -1051.24 | 23.69% | ATP SINGLES / 29.01.2026 | Dual Match College | |
| 23.01.2026 | Tiago Pires | 1319 | 6258.27 | 6-3, 2-6, 6-4 | Win | 249.33 | 26.39% | ATP SINGLES / 23.01.2026 | Dual Match College | |
| 19.01.2026 | Roger Pascual Ferra | 467 | 6531.49 | 6-2, 6-2 | Loss | 0.00 | 7.31% | ATP SINGLES / 19.01.2026 | Dual Match College | |
| 09.01.2026 | Juan Listo | 11559 | 998.39 | 6-2, 6-1 | Win | 0.00 | 20.31% | ATP SINGLES / 09.01.2026 | Dual Match College | |
| 30.12.2025 | Aditya Govila | 2025 | 6128.48 | 7-6, 6-4 | Loss | -79.74 | 15.67% | ATP SINGLES / 30.12.2025 | USA USA UTR Pro Tennis Series | |
| 28.12.2025 | Stiles Brockett | 1323 | 6256.46 | 6-2, 5-7, 6-1 | Loss | 161.57 | 13.89% | ATP SINGLES / 28.12.2025 | USA USA UTR Pro Tennis Series | |
| 27.12.2025 | Adrian Treacy | 2874 | 6006.31 | 7-6, 7-5 | Loss | -207.37 | 16.84% | ATP SINGLES / 27.12.2025 | USA USA UTR Pro Tennis Series |