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Piia Suomalainen vs. Daiana Negreanu - head to head matches
| 25.05.17 | 2nd round | Daiana Negreanu | Piia Suomalainen | 6-2, 0-6, 6-2 | match details |  Antalya | Clay |
Piia Suomalainen form & Daiana Negreanu form
Piia Suomalainen - last matches
 Savitaipale - Clay | ||||
| 02.08.18 2nd round | vs. Merel Hoedt | 1-6, 2-6 |  | match details |
| 01.08.18 1st round | vs. Sydney Berlin | 6-4, 6-4 |  | match details |
| Tampere - Clay | ||||
| 25.07.18 1st round | vs. Francesca Jones | 1-6, 3-6 | | match details |
| Antalya - Clay | ||||
| 16.05.18 1st round | vs. Magdalena Pantuckova | 1-6, 0-2, - Piia Suomalainen - retired | | match details |
| 14.05.18 q 1 | vs. Alina Kozaeva | 6-0, 6-1 | | match details |
| 14.05.18 qual. | vs. Andreea Velcea | 6-2, 5-7, 6-3 | | match details |
| Antalya - Clay | ||||
| 11.05.18 1/4 | vs. Marianna Zakarlyuk | 6-71, 3-6 | | match details |
| 10.05.18 2nd round | vs. Vasiliki Karvouni | 6-3, 6-2 | | match details |
| 09.05.18 1st round | vs. Ipek Oz | 6-4, 6-4 | | match details |
| Antalya - Clay | ||||
| 02.05.18 1st round | vs. Aleksandra Pospelova | 3-6, 6-3, 4-6 | | match details |
| 30.04.18 qual. | vs. Iman Garshong | 6-0, 6-1 | | match details |
| 29.04.18 q 2 | vs. Stephanie Thour | 6-1, 6-1 | | match details |
| Antalya - Clay | ||||
| 25.04.18 1st round | vs. Julia Stamatova | 6-2, 1-6, 3-6 | | match details |
 Heraklion - Clay | ||||
| 28.03.18 1st round | vs. Lisa Sabino | 3-6, 1-6 | | match details |
| 26.03.18 qual. | vs. Sara Lanca | 6-0, 6-3 | | match details |
| 25.03.18 q 2 | vs. Tiziana Marie Schomburg | 6-2, 6-2 | | match details |
| Heraklion - Clay | ||||
| 20.03.18 1st round | vs. Francesca Jones | 3-6, 4-6 | | match details |
| 19.03.18 qual. | vs. Sophia Intert | 6-0, 6-2 | | match details |
| 18.03.18 q 2 | vs. Mila Mejic | 6-1, 7-5 | | match details |
| Heraklion - Clay | ||||
| 13.03.18 qual. | vs. Alexandra Maria Staiculescu | 1-6, 3-6 | | match details |
| 11.03.18 q 2 | vs. Eva Kolarovska | 6-1, 6-0 | | match details |
| Helsinki - I. hard | ||||
| 15.11.17 2nd round | vs. Ekaterina Kazionova | 6-74, 1-6 | | match details |
| 14.11.17 1st round | vs. Andrina Peer | 4-6, 6-1, 6-3 | | match details |
 Stillwater - Hard | ||||
| 27.09.17 1st round | vs. Ana Sofia Sanchez | 0-6, 1-6 | | match details |
| 25.09.17 q 2 | vs. Taylor Dean | 6-3, 6-0 | | match details |
| 25.09.17 qual. | vs. Lisa-Marie Rioux | 4-6, 6-3, 6-1 | | match details |
| Lubbock - Hard | ||||
| 18.09.17 q 2 | vs. Anastasiya Antal | 1-6, 4-6 | | match details |
| Redding - Hard | ||||
| 13.09.17 1st round | vs. Lauren Marker | 0-6, 1-6 | | match details |
| 11.09.17 qual. | vs. Kerrie Cartwright | 3-6, 6-4, 7-5 | | match details |
| 11.09.17 q 1 | vs. Julia Fisch | 6-3, 6-4 | | match details |
Daiana Negreanu - last matches
 Sant Cugat - Clay | ||||
| 30.10.17 q 2 | vs. Jordan Ortega Mendez | 6-2, 7-5 | | match details |
| 30.10.17 q 1 | vs. Andjela Reljic | 6-1, 6-3 | | match details |
| 30.10.17 qual. | vs. Seone Mendez | 1-6, 3-6 | | match details |
| Roja De - Clay | ||||
| 17.10.17 1st round | vs. Charlotte Roemer | 5-7, 3-6 | | match details |
 Lisbon - Hard | ||||
| 05.10.17 2nd round | vs. Karolina Berankova | 6-3, 1-6, 2-6 | | match details |
| 03.10.17 1st round | vs. Adrienn Nagy | 6-3, 7-67 | | match details |
 Balatonboglar - Clay | ||||
| 05.09.17 1st round | vs. Nicoleta Dascalu | 2-5, - Daiana Negreanu - retired | | match details |
| 04.09.17 qual. | vs. Anna Pribylova | 6-2, 3-6, 6-2 | | match details |
| 04.09.17 q 1 | vs. Nikoletta Muller | 6-0, 6-0 | | match details |
 Montreux - Clay | ||||
| 16.08.17 1st round | vs. Ulrikke Eikeri | 4-6, 0-3, - Daiana Negreanu - retired | | match details |
| Savitaipale - Clay | ||||
| 01.08.17 1st round | vs. Csilla Argyelan | 2-6, 1-4, - Daiana Negreanu - retired | | match details |
| Tampere - Clay | ||||
| 28.07.17 1/4 | vs. Clothilde De Bernardi | 4-6, 4-6 | | match details |
| 27.07.17 2nd round | vs. Kyra Shroff | Kyra Shroff - walk over | | match details |
| 26.07.17 1st round | vs. Ella Haavisto | 6-73, 6-1, 6-2 | | match details |
| Bursa - Clay | ||||
| 18.07.17 1st round | vs. Anastasia Gasanova | 6-75, 1-6 | | match details |
| 17.07.17 q 1 | vs. Ayca Senturk | 6-0, 6-0 | | match details |
| 17.07.17 q 2 | vs. Ena Kajevic | 6-4, 6-2 | | match details |
| 17.07.17 qual. | vs. Gebriela Mihaylova | 6-4, 6-2 | | match details |
 Rome - Clay | ||||
| 03.07.17 q 2 | vs. Lisa Sabino | 3-6, 1-6 | | match details |
| 03.07.17 q 1 | vs. Karolayne Da Rosa | 6-4, 6-1 | | match details |
 Perigueux - Clay | ||||
| 27.06.17 1st round | vs. Sherazad Reix | 3-6, 2-6 | | match details |
| Montpellier - Clay | ||||
| 19.06.17 q 1 | vs. Justine Da Costa | 6-1, 6-0 | | match details |
| 19.06.17 qual. | vs. Amandine Cazeaux | 5-7, 6-3, 4-6 | | match details |
| Barcelona - Clay | ||||
| 12.06.17 q 1 | vs. Isabelle Wallace | 0-6, 0-6 | | match details |
| Antalya - Clay | ||||
| 01.06.17 2nd round | vs. Emiliana Arango | 5-7, 1-6 | | match details |
| 30.05.17 1st round | vs. Jennifer Luikham | 6-2, 6-0 | | match details |
| Antalya - Clay | ||||
| 26.05.17 1/4 | vs. Georgia Andreea Craciun | 4-6, 5-7 | | match details |
| 25.05.17 2nd round | vs. Piia Suomalainen | 6-2, 0-6, 6-2 | | match details |
| 24.05.17 1st round | vs. Valeria Bhunu | 6-2, 6-4 | | match details |
| La Bisbal - Clay | ||||
| 18.05.17 2nd round | vs. Olga Saez Larra | 3-6, 3-6 | | match details |