Sandro Kopp faces Petr Nesterov in the Plovdiv semi-final on clay. Sandro Kopp is the paper favourite — ranked #326 — but Petr Nesterov arrives in form, winning 7 of their last 10 on clay to Sandro Kopp's 5.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About
Averages over each player's completed matches in the selected window (21 vs 18). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Kopp S.: 1 day rest · 2 matches, 48 games (7d) · Nesterov P.: 1 day rest · 2 matches, 34 games (7d). Higher means fresher. About
No previous meetings on record.