William Kjellberg
Updated
- Rating6133.83
- ATP rank#1989
- Last 108-2
- Last 301-0
- Current streak5 Wins
Match effects, last 365 days
| Date | Opponent | Opp Rank | Opp Rating | Score | Result | Effect | % of Ranking | Tour | Tournament | Note |
|---|---|---|---|---|---|---|---|---|---|---|
| 03.10.2026 | Jack Cheng | 1836 | 6157.51 | 6-3, 6-7, 6-3 | Win | 127.02 | 238.11% | ATP SINGLES / 03.10.2026 | J200 Hong Kong | |
| 02.10.2026 | Fu Wang Choi | 3595 | 5894.82 | 6-4, 6-2 | Win | -44.50 | 157.52% | ATP SINGLES / 02.10.2026 | J200 Hong Kong | |
| 01.10.2026 | Pratik Navin | 3642 | 5887.30 | 6-4, 7-5 | Win | -96.52 | 156.31% | ATP SINGLES / 01.10.2026 | J200 Hong Kong | |
| 30.09.2026 | Sin Hang Tam | 2531 | 6052.77 | 6-3, 6-1 | Win | 128.94 | 155.11% | ATP SINGLES / 30.09.2026 | J200 Hong Kong | |
| 29.09.2026 | Heaton Pann | 3149 | 5962.03 | 6-7, 6-2, 6-2 | Win | -38.46 | 230.89% | ATP SINGLES / 29.09.2026 | J200 Hong Kong | |
| 17.09.2026 | Thilo Behrmann | 741 | 6414.31 | 6-2, 6-4 | Loss | 86.99 | 70.17% | ATP SINGLES / 17.09.2026 | J300 Oberpullendorf | |
| 16.09.2026 | Matisse Martin | 1340 | 6252.80 | 6-1, 6-1 | Win | 358.98 | 139.26% | ATP SINGLES / 16.09.2026 | J300 Oberpullendorf | |
| 15.09.2026 | Bercel Sandor Takacs | 2114 | 6113.51 | 7-6, 6-2 | Win | 117.18 | 138.19% | ATP SINGLES / 15.09.2026 | J300 Oberpullendorf | |
| 04.09.2026 | Sahita Samarth | 1971 | 6136.65 | 6-4, 6-4 | Win | 152.83 | 126.97% | ATP SINGLES / 04.09.2026 | J200 Astana | |
| 27.08.2026 | Mattia Logrippo | 1396 | 6244.43 | 6-1, 6-3 | Loss | -84.40 | 39.79% | ATP SINGLES / 27.08.2026 | J200 Belgrade | |
| 26.08.2026 | Vuk Pantic Crncevic | 4636 | 5703.59 | 6-4, 6-2 | Win | -140.12 | 118.46% | ATP SINGLES / 26.08.2026 | J200 Belgrade | |
| 06.08.2026 | Alessandro Hunziker | 1454 | 6230.70 | 4-6, 6-1, 6-2 | Loss | 120.21 | 76.16% | ATP SINGLES / 06.08.2026 | J200 Rutesheim | |
| 04.08.2026 | Lasse Bohr | 3790 | 5861.45 | 6-4, 6-1 | Win | -61.19 | 100.00% | ATP SINGLES / 04.08.2026 | J200 Rutesheim | |
| 01.07.2026 | Kamil Stolarczyk | 2186 | 6101.30 | 4-6, 6-3, 6-2 | Loss | -40.70 | 70.55% | ATP SINGLES / 01.07.2026 | J200 Castricum | |
| 21.06.2026 | Hongjin Qi | 3170 | 5959.14 | 6-4, 6-0 | Win | 25.32 | 71.26% | ATP SINGLES / 21.06.2026 | J100 The Hague | |
| 19.06.2026 | Adria Velazquez Farre | 2833 | 6013.28 | 6-4, 3-6, 6-4 | Win | -36.54 | 87.71% | ATP SINGLES / 19.06.2026 | J100 The Hague | |
| 18.06.2026 | Lorenzo Rocco | 2620 | 6040.49 | 6-1, 6-0 | Win | 151.66 | 69.63% | ATP SINGLES / 18.06.2026 | J100 The Hague | |
| 07.06.2026 | Gabriele Volpi | 3748 | 5868.38 | 3-6, 6-1, 1-0 | Loss | -145.45 | 37.32% | ATP SINGLES / 07.06.2026 | Sweden Varnamo | |
| 27.05.2026 | Jakub Cernovicky | 4319 | 5772.86 | 2-6, 7-6, 6-4 | Loss | -281.85 | 78.37% | ATP SINGLES / 27.05.2026 | J100 Sobota | |
| 15.05.2026 | Rhys Lawlor | 1094 | 6315.79 | 3-6, 6-2, 1-0 | Loss | 260.71 | 35.73% | ATP SINGLES / 15.05.2026 | J500 Milan Qualifying | |
| 28.04.2026 | David Popa | 3103 | 5967.86 | 6-4, 6-2 | Loss | -340.96 | 23.51% | ATP SINGLES / 28.04.2026 | J200 Villach | |
| 11.03.2026 | Gavin Goode | 1035 | 6330.29 | 6-2, 6-2 | Loss | -28.54 | 10.83% | ATP SINGLES / 11.03.2026 | J300 Tucson | |
| 05.03.2026 | Ford Mccollum | 2934 | 5995.61 | 6-0, 6-2 | Loss | -363.22 | 5.17% | ATP SINGLES / 05.03.2026 | J200 Las Vegas | |
| 03.03.2026 | Kristian Sharma | 6355 | 5010.39 | 6-2, 6-4 | Win | -486.72 | 30.54% | ATP SINGLES / 03.03.2026 | J200 Las Vegas | |
| 23.01.2026 | Panagiotis-Gerasimos Grammatikakis | 3274 | 5947.15 | 6-4, 5-7, 7-6 | Win | -160.21 | 32.04% | ATP SINGLES / 23.01.2026 | J100 Dubai | |
| 22.01.2026 | Tobias Cank | 3455 | 5917.60 | 3-6, 6-1, 6-1 | Win | -60.23 | 28.06% | ATP SINGLES / 22.01.2026 | J100 Dubai | |
| 17.01.2026 | Richard Lacis | 1684 | 6184.74 | 1-6, 7-6, 6-4 | Loss | 84.67 | 28.80% | ATP SINGLES / 17.01.2026 | J100 Dubai | |
| 16.01.2026 | Antoine Clavel | 3165 | 5960.06 | 6-2, 6-3 | Win | 28.74 | 21.43% | ATP SINGLES / 16.01.2026 | J100 Dubai | |
| 15.01.2026 | Doruk Calikoglu | 4647 | 5701.19 | 6-2, 6-2 | Win | 0.00 | 21.27% | ATP SINGLES / 15.01.2026 | J100 Dubai | |
| 14.01.2026 | Roman Kulpin | 4986 | 5611.90 | 6-2, 6-1 | Win | 0.00 | 21.10% | ATP SINGLES / 14.01.2026 | J100 Dubai |