Select tournament type
| 1/16-finals | Pawelska M. | Heinzova I. | 2:0 (7:64, 6:4) | details | 17.06.2026 | ||
| 1/8-finals | Nagy A. | Heinzova I. | 2:0 (6:2, 6:0) | details | 06.11.2025 | ||
| 1/16-finals | Drozdz O. | Heinzova I. | 0:2 (3:6, 2:6) | details | 04.11.2025 | ||
| 1/16-finals | Heinzova I. | Haavisto E. | 0:2 (0:6, 2:6) | details | 01.10.2025 | ||
| 1/16-finals | Burdina E. | Heinzova I. | 2:1 (2:6, 6:4, 6:3) | details | 29.11.2023 | ||
| 1/8-finals | Kummel A. | Heinzova I. | 2:0 (6:3, 6:4) | details | 16.11.2023 | ||
| 1/16-finals | Jeng J. Y. | Heinzova I. | 0:2 (3:6, 3:6) | details | 15.11.2023 | ||
| 1/8-finals | Heinzova I. | Burdina E. | 0:2 (3:6, 1:6) | details | 09.11.2023 | ||
| 1/16-finals | Heinzova I. | Chudejova M. | 2:0 (6:2, 6:1) | details | 08.11.2023 | ||
| 1/16-finals | Heinzova I. | Zyryanova A. | 1:2 (2:6, 7:62, 1:6) | details | 08.06.2023 | ||
| 1/16-finals | Li Y. | Heinzova I. | 2:0 (6:4, 6:1) | details | 02.11.2022 | ||
| 1/16-finals | Hietaranta L. | Heinzova I. | 2:0 (6:3, 6:4) | details | 17.08.2022 | ||
| Semi-finals | Heinzova I./Kulhava V. | Pawelska M./Zoldakova D. | WO. | details | 06.11.2025 | ||
| Quarter-finals | Stankiewicz M./Vlckova K. | Heinzova I./Kulhava V. | WO. | details | 05.11.2025 | ||
| 1/8-finals | Kalman L./Mihalka A. | Heinzova I./Kulhava V. | 0:2 (611:7, 4:6) | details | 05.11.2025 | ||
| Quarter-finals | Finak E. D./Heinzova I. | Baranovska A./Gandolfi F. | 0:2 (0:6, 4:6) | details | 02.10.2025 | ||
| 1/8-finals | Kannan A./Mukic A. | Finak E. D./Heinzova I. | 0:2 (3:6, 1:6) | details | 30.09.2025 | ||
| Quarter-finals | Heinzova I./Petruzelova L. | Horvit M./Ngounoue M. | 0:2 (3:6, 2:6) | details | 11.09.2025 | ||
| Quarter-finals | Heinzova I./Petruzelova L. | Sevcikova L./Vlckova K. | 0:2 (4:6, 4:6) | details | 07.08.2025 | ||
| 1/8-finals | Heinzova I./Petruzelova L. | Golas O./Lazar A. | 2:1 (6:3, 2:6, 10:7) | details | 05.08.2025 | ||
| 1/8-finals | Heinzova I./Skrabalova G. | Roso K./Tesankic N. | 1:2 (7:66, 1:6, 8:10) | details | 03.06.2025 | ||
| 1/8-finals | Bergler O./Heinzova I. | Mikhaylova V./Pospelova A. | 0:2 (2:6, 4:6) | details | 05.12.2023 | ||
| Semi-finals | Giordano M./Heinzova I. | Kummel A./Makarova E. | 0:2 (3:6, 3:6) | details | 01.12.2023 | ||
| Quarter-finals | Giordano M./Heinzova I. | Gapankova S./Piskareva K. | 2:0 (7:64, 6:4) | details | 30.11.2023 | ||
| 1/8-finals | Ezzat Y./Fedorova A. | Giordano M./Heinzova I. | 1:2 (6:1, 3:6, 7:10) | details | 28.11.2023 | ||
| 1/8-finals | Dyson K./Wagner Y. | Danailova E./Heinzova I. | 2:0 (6:4, 7:5) | details | 14.11.2023 | ||
| Quarter-finals | Heinzova I./Solomatina A. | Kummel A./Makarova E. | 0:2 (4:6, 4:6) | details | 09.11.2023 | ||
| 1/8-finals | Jakovleva A./Lekomtseva U. | Heinzova I./Solomatina A. | 0:2 (3:6, 2:6) | details | 07.11.2023 | ||
| Quarter-finals | Kolb M./Kolb N. | Heinzova I./Wirglerova S. | 2:0 (6:3, 7:5) | details | 06.09.2023 | ||
| 1/8-finals | Heinzova I./Wirglerova S. | Mareckova V./Sikorova T. | 2:0 (6:1, 6:0) | details | 05.09.2023 | ||
| 1/8-finals | Pawlikowska Z./Rowinska M. | Heinzova I./Slaba N. | 2:0 (6:2, 6:3) | details | 22.08.2023 | ||
| 1/8-finals | Faludi V. N./Heinzova I. | Sevcikova L./Yoruk I. | WO. | details | 15.08.2023 | ||
| 1/8-finals | Heinzova I./Pastikova J. | Smekalova M./Valentova T. | 0:2 (1:6, 1:6) | details | 19.07.2023 | ||
| Quarter-finals | Heinzova I./Kulhava V. | Cadar E.-T./Marcinkevica D. | 0:2 (2:6, 2:6) | details | 31.05.2023 | ||
| 1/8-finals | Koller A./Osterreicher M. | Heinzova I./Kulhava V. | WO. | details | 31.05.2023 | ||
| 1/8-finals | Heinzova I./Hrdinkova D. | Soke D./Zhiyenbayeva S. | 1:2 (2:6, 6:2, 3:10) | details | 09.11.2022 | ||
| 1/8-finals | Heinzova I./Zasterova L. | Li Y./Sagandikova A. | 0:2 (2:6, 64:7) | details | 02.11.2022 | ||
| 1/8-finals | Heinzova I./Zasterova L. | Kardava Z./Logotheti E. | 1:2 (3:6, 6:4, 6:10) | details | 13.09.2022 | ||
| 1/8-finals | Cubonova Z./Struplova J. | Heinzova I./Wirglerova S. | 2:1 (6:3, 5:7, 14:12) | details | 06.09.2022 | ||
| 1/8-finals | Heinzova I./Hrdinkova D. | Formella A./Frankowska Z. | 1:2 (6:3, 4:6, 8:10) | details | 16.08.2022 | ||
| 1/8-finals | Calinescu C. T./Heinzova I. | Dmitruk K./Palecek N. | 0:2 (3:6, 0:6) | details | 10.02.2021 | ||
| 1/8-finals | Heinzova I./Koussenkova V. | Boubaker W./Safarova Z. | 0:2 (4:6, 1:6) | details | 03.02.2021 | ||