Ivan Sabanov
…Clay Matej Sabanov Sadio Doumbia Fabien Reboul 4–6, 6–3, [7–10] Loss 27–28 Feb 2020 Quimper, France Challenger Hard Matej Sabanov Andrey Golubev Aleksandr Nedovyesov 4–6, 2–6 Loss 27–29 Nov 2020 Ortisei, Italy Challenger Hard Matej Sabanov Andre Begemann Albano Olivetti 3–6, 2–6 Loss 27–30 May 2021 Prague, Czech…