In 5 meetings on record, M. Sakkari won 3, M. Kostyuk won 2.
Key numbers
- Last meeting: M. Sakkari 2–1 M. Kostyuk on 13 October 2026.
- M. Sakkari form: W W W L W.
- M. Kostyuk form: L L L W W.
Form reads newest first: W win, D draw, L loss.
In 5 meetings on record, M. Sakkari won 3, M. Kostyuk won 2.
Form reads newest first: W win, D draw, L loss.