ATP
| Bedste 2026: | |
| Bedste 2025: | |
| Bedste | |
| Land | Germany |
| Alder | 57 yo / 193 cm |
| Forhånd | Højrehåndet (Enkelt hånd) |
| Blev professionel | 1988 |
| Fødested/Residence | Pinneberg / Elmshorn, Germany |
| Træner | Wally Masur |
| Indtjening | 12,595,128$ |
| Bedste | During | First time | Last time |
| 16 | 9 Uger | 4 november 1996 | 30 december 1996 |
| Dato | Rank | Point | Alder |
| 1998.06.29 | 116 | 325 | 29 |
| 1998.06.15 | 114 | 325 | 29 |
| 1998.05.25 | 94 | 373 | 29 |
| 1998.05.18 | 96 | 373 | 29 |
| 1998.05.11 | 98 | 373 | 29 |
| 1998.05.04 | 92 | 393 | 29 |
| 1998.04.20 | 89 | 413 | 29 |
| 1998.04.13 | 87 | 414 | 29 |
| 1998.04.06 | 88 | 414 | 29 |
| 1998.03.30 | 90 | 414 | 29 |
| 1998.03.23 | 75 | 479 | 29 |
| 1998.03.16 | 75 | 479 | 29 |
| 1998.03.09 | 73 | 479 | 29 |
| 1998.03.02 | 69 | 524 | 29 |
| 1998.02.23 | 70 | 525 | 29 |
| 1998.02.09 | 68 | 527 | 29 |
| 1998.02.02 | 68 | 527 | 29 |
| 1998.01.26 | 65 | 547 | 29 |
| 1998.01.19 | 65 | 547 | 29 |
| 1998.01.12 | 64 | 547 | 29 |
| 1998.01.05 | 64 | 548 | 29 |
| 1997.12.22 | 64 | 548 | 29 |
| 1997.12.15 | 64 | 548 | 29 |
| 1997.12.08 | 64 | 548 | 29 |
| 1997.12.01 | 64 | 548 | 29 |
| 1997.11.24 | 64 | 548 | 29 |
| 1997.11.10 | 65 | 548 | 29 |
| 1997.11.03 | 62 | 548 | 29 |
| 1997.10.20 | 58 | 568 | 29 |
| 1997.10.06 | 53 | 631 | 28 |
| 1997.09.15 | 52 | 653 | 28 |
| 1997.09.08 | 48 | 653 | 28 |
| 1997.09.01 | 48 | 672 | 28 |
| 1997.08.25 | 48 | 672 | 28 |
| 1997.08.11 | 51 | 672 | 28 |
| 1997.08.04 | 51 | 672 | 28 |
| 1997.07.28 | 48 | 672 | 28 |
| 1997.07.14 | 46 | 672 | 28 |
| 1997.07.07 | 46 | 673 | 28 |
| 1997.06.30 | 88 | 426 | 28 |
| 1997.06.23 | 88 | 426 | 28 |
| 1997.06.16 | 89 | 426 | 28 |
| 1997.06.09 | 89 | 421 | 28 |
| 1997.05.19 | 27 | 935 | 28 |
| 1997.05.12 | 27 | 954 | 28 |
| 1997.05.05 | 26 | 935 | 28 |
| 1997.04.28 | 26 | 935 | 28 |
| 1997.04.21 | 28 | 916 | 28 |
| 1997.04.14 | 31 | 916 | 28 |
| 1997.04.07 | 31 | 916 | 28 |
| 1997.03.31 | 31 | 916 | 28 |
| 1997.03.24 | 32 | 852 | 28 |
| 1997.03.17 | 32 | 852 | 28 |
| 1997.03.03 | 31 | 808 | 28 |
| 1997.02.17 | 20 | 1113 | 28 |
| 1997.02.10 | 19 | 1113 | 28 |
| 1997.02.03 | 19 | 1113 | 28 |
| 1997.01.27 | 19 | 1113 | 28 |
| 1997.01.20 | 20 | 1094 | 28 |
| 1997.01.13 | 20 | 1094 | 28 |
| 1997.01.06 | 19 | 1094 | 28 |
| 1996.12.30 | 16 | 1115 | 28 |
| 1996.12.23 | 16 | 1115 | 28 |
| 1996.12.16 | 16 | 1115 | 28 |
| 1996.12.09 | 16 | 1115 | 28 |
| 1996.12.02 | 16 | 1115 | 28 |
| 1996.11.25 | 16 | 1115 | 28 |
| 1996.11.18 | 16 | 1115 | 28 |
| 1996.11.11 | 16 | 1115 | 28 |
| 1996.11.04 | 16 | 1115 | 28 |
| 1996.10.28 | 17 | 1115 | 28 |
| 1996.10.21 | 20 | 1095 | 28 |
| 1996.10.14 | 21 | 1095 | 27 |
| 1996.10.07 | 20 | 1068 | 27 |
| 1996.09.23 | 21 | 1044 | 27 |
| 1996.09.16 | 21 | 1044 | 27 |
| 1996.08.19 | 19 | 1092 | 27 |
