Name: Romy Koelzer
Country: Germany
Birthdate: 22.08.91, 32 years
WTA ranking: 843
TOP ranking's position: 395 (29.04.19, 9100 points)
Points: 23
Prize money: 43773 $
Matches total: 269
Win: 163
%: 60.59 %
Country: Germany
Birthdate: 22.08.91, 32 years
WTA ranking: 843
TOP ranking's position: 395 (29.04.19, 9100 points)
Points: 23
Prize money: 43773 $
Matches total: 269
Win: 163
%: 60.59 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2021 | 0/3 | 0/0 | 0/3 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2020 | 42/18 | 1/5 | 38/12 | 0/0 | 3/1 | 0/0 | 0/0 |
| 2019 | 25/23 | 9/4 | 14/14 | 1/1 | 1/3 | 0/1 | 0/0 |
| 2018 | 41/25 | 0/1 | 31/17 | 4/2 | 6/5 | 0/0 | 0/0 |
| 2017 | 42/26 | 6/3 | 28/17 | 4/4 | 4/2 | 0/0 | 0/0 |
| 2016 | 13/10 | 0/0 | 5/6 | 5/3 | 3/1 | 0/0 | 0/0 |
| 2011 | 0/1 | 0/0 | 0/0 | 0/0 | 0/1 | 0/0 | 0/0 |
| TOTAL | 163/106 | 16/13 | 116/69 | 14/10 | 17/13 | 0/1 | 0/0 |
| perc. % | 60.59 % | 55.17 % | 62.7 % | 58.33 % | 56.67 % | 0 % | 0 % |
Romy Koelzer / scheduled / last
| no matches found |
Romy Koelzer form / surface: I. hard
Romy Koelzer / surface: I. hard
| 12.02.19 | qual. | Laura-Ioana Paar | Romy Koelzer | 6-3, 6-0 |  | match details |  W25 Trnava | I. hard |
| 11.02.19 | q 1 | Romy Koelzer | Lisa Sabino | 7-5, 6-1 |  | match details | ||
| 09.11.18 | 1/2 | Caty McNally | Romy Koelzer | 6-3, 6-3 | | match details |  Lawrence | I. hard |
| 08.11.18 | 1/4 | Romy Koelzer | Emma Navarro | 7-5, 6-2 | | match details | ||
| 07.11.18 | 2nd round | Romy Koelzer | Alexandra Perper | 6-4, 7-5 | | match details | ||
| 06.11.18 | 1st round | Romy Koelzer | Anastasia Nefedova | 6-2, 7-5 | | match details | ||
| 25.01.18 | 2nd round | Nina Alibalic | Romy Koelzer | 6-3, 4-6, 6-1 | | match details |  Stuttgart Stammheim | I. hard |
| 23.01.18 | 1st round | Romy Koelzer | Petra Krejsova | 6-1, 6-2 | | match details | ||
| 06.02.17 | qual. | Maia Lumsden | Romy Koelzer | 6-2, 6-2 | | match details |  Edgbaston | I. hard |
| 06.02.17 | q 1 | Romy Koelzer | Alisha Reayer | 6-2, 7-63 | | match details | ||
| 02.02.17 | 2nd round | Mallaurie Noel | Romy Koelzer | 6-4, 6-4 | | match details | Glasgow | I. hard |
| 01.02.17 | 1st round | Romy Koelzer | Luisa Marie Huber | 6-3, 6-4 | | match details | ||
| 30.01.17 | qual. | Alexa Guarachi | Romy Koelzer | 6-1, 6-1 | | match details | ||
| 30.01.17 | q 1 | Romy Koelzer | Chloe Compson | 6-0, 6-1 | | match details | ||
| 16.01.17 | qual. | Anastasiya Shoshyna | Romy Koelzer | 6-1, 6-2 | | match details | Stuttgart Stammheim | I. hard |
| 16.01.17 | q 1 | Romy Koelzer | Anastasiya Fedoryshyn | 6-4, 6-2 | | match details | ||
| 03.11.16 | 2nd round | Anastasiya Shoshyna | Romy Koelzer | 6-3, 6-3 | | match details |  Stockholm | I. hard |
| 01.11.16 | 1st round | Romy Koelzer | Caijsa Wilda Hennemann | 6-1, 3-6, 6-2 | | match details | ||
| 25.10.16 | 1st round | Karen Barritza | Romy Koelzer | 6-0, 6-4 | | match details | Stockholm | I. hard |
| 16.09.16 | 1/2 | Magali Kempen | Romy Koelzer | 6-3, 6-2 | | match details |  Petange | I. hard |
| 15.09.16 | 1/4 | Romy Koelzer | Chayenne Ewijk | 6-2, 6-4 | | match details | ||
| 14.09.16 | 2nd round | Romy Koelzer | Cindy Castille | 7-5, 4-0, Cindy Castille - retired | | match details | ||
| 12.09.16 | 1st round | Romy Koelzer | Lola Marandel | 6-0, 6-3 | | match details | ||
| 12.09.16 | qual. | Romy Koelzer | Claudia Kieffer | 6-1, 6-1 | | match details |