Kostiantyn TsoivsOleksandr Riabuha

Kostiantyn Tsoi and Oleksandr Riabuha have met once in the Setka Cup. Kostiantyn Tsoi leads the series 1–0. The two have averaged 45 points per match, with 0 of 1 meetings (0%) going over the 74.5 total.

Of those 1 matches, one ended in a 3–0 sweep and none were splits, with deuce sets averaging 0 per match. Most recently, on October 4, 2026, they combined for 45 points (under 74.5).