Kateřina Kroupová-Šišková
Kateřina Sisková is a former professional Czech tennis player.
In career she won eight singles and 12 doubles titles on the ITF circuit. On 4 January 1993, she reached her best singles ranking of world number 58. On 7 August 1995, she peaked at number 104 in the WTA doubles rankings.
WTA career finals
Doubles (0–1)
| Outcome | Date | Tournament | Surface | Partner | Opponents | Score |
| Runner-up | 11 August 1996 | WTA Austrian Open, Linz | Clay |  Lenka Cenková |  Natalia Medvedeva  Janette Husárová | 4–6, 5–7 |