| año | resumen | Difícil | Arcilla | I. difícil | Alfombra | Césped | Acrílico |
| 2020 | 2/1 | 0/0 | 2/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 3/5 | 0/0 | 2/4 | 0/0 | 1/1 | 0/0 | 0/0 |
| 2018 | 8/3 | 0/0 | 4/1 | 0/0 | 4/2 | 0/0 | 0/0 |
| 2017 | 0/2 | 0/0 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2016 | 3/4 | 0/0 | 3/3 | 0/0 | 0/1 | 0/0 | 0/0 |
| TOTAL | 16/15 | 0/0 | 11/11 | 0/0 | 5/4 | 0/0 | 0/0 |
| porc. % | 51.61 % | 0 % | 50 % | 0 % | 55.56 % | 0 % | 0 % |
Anna Klasen/Romy Koelzer / programado / pasado
| No se encontraron partidos |
Anna Klasen/Romy Koelzer form / año 2017
Anna Klasen/Romy Koelzer / año 2017
| 13.03.17 | 1er ronda | Sophie Chang/Alexandra Mueller | Anna Klasen/Romy Koelzer | 6-2, 6-4 |  | match details |  Tampa | Arcilla |
| 06.03.17 | 1er ronda | Elysia Bolton/Victoria Flores | Anna Klasen/Romy Koelzer | 6-2, 6-4 | | match details | Orlando | Arcilla |