Round: 44 Ground: Clay
| ITF Women Santa Margherita Qual | 2018/03/27 09:15 | Di Giuseppe, Martina v Miriam Bulgaru | 6-4,6-2 |
| Altenkirchen, Singles W-WITF-GER-02A | 2018/02/21 18:05 | Di Giuseppe, Martina v Minella, Mandy | 4-6,7-6,6-7 |
| Altenkirchen, Qualifications Simples W-WITF-GER-02A | 2018/02/19 10:45 | Di Giuseppe, Martina v Piter, Katarzyna | 5-7,3-6 |
| Altenkirchen, Qualifications Simples W-WITF-GER-02A | 2018/02/18 09:00 | Di Giuseppe, Martina v Lara Schmidt | 6-4,4-6,6-2 |
| Bergamo, Singles W-WITF-ITA-01B | 2018/02/16 13:20 | Lena Papadakis v Di Giuseppe, Martina | 6-1,6-2 |
| Bergamo, Singles W-WITF-ITA-01B | 2018/02/15 13:05 | Lucrezia Stefanini v Di Giuseppe, Martina | 4-6,0-6 |
| Bergamo, Singles W-WITF-ITA-01B | 2018/02/14 12:25 | Verena Meliss v Di Giuseppe, Martina | 2-6,0-6 |
| Bergamo, Singles W-WITF-ITA-01B | 2018/02/12 13:05 | Sella, Francesca v Di Giuseppe, Martina | 1-6,2-6 |
| ITF Women Santa Margherita Qual | 2018/03/21 10:30 | Tena Lukas v Gerlach, Katharina | 6-4,6-2 |
| ITF Women Santa Margherita Qual | 2018/03/19 13:00 | Vrljic, Ana v Gerlach, Katharina | 4-6,3-6 |
| ITF Women Santa Margherita Qual | 2018/03/13 13:00 | Manon Arcangioli v Gerlach, Katharina | 6-3,6-3 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-01A | 2018/03/02 09:00 | Ylena In-Albon v Gerlach, Katharina | 5-7,7-5,6-1 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-01A | 2018/03/01 10:40 | Gerlach, Katharina v Perper, Alexandra | 6-4,6-2 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-01A | 2018/02/28 08:30 | Gerlach, Katharina v Hosonuma, Chisa | 6-3,6-4 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-01A | 2018/02/27 09:30 | Gerlach, Katharina v Rosca, Ioana Loredana | 6-4,4-6,6-2 |
| Altenkirchen, Qualifications Simples W-WITF-GER-02A | 2018/02/19 13:15 | Jesika Maleckova v Gerlach, Katharina | 6-3,6-0 |