Prostejov - Czech RepublicFinished

Predictions graded

Vitaliy Sachko #210Ukraine2Vit Kopriva #66Czechia1

Sets 6-1 · 4-6 · 7-6Thu 4 Jun 2026, 09:16 Predictions gradedSecond RoundClay

Predictions2–433%

Edges0–40%

Player Profiles

Ranking advantageVit Kopriva · 144 places

Vitaliy Sachko

Ukraine

Career-high No. 156 came on 31 July 2023. Most of his career volume is clay-based, and he was a Prostejov semifinalist in 2025.

Current ranking: #210
Peak ranking: #156 · 2023
Current age: 28
Preferred surface: —
Hand: Right handed
Height: 188 cm

Vit Kopriva

Czechia

Career-high No. 55 came on 4 May 2026. Most of his Challenger success has come on clay, including the Prostejov title in 2022.

Current ranking: #66
Peak ranking: #55 · 2026
Current age: 28
Preferred surface: —
Hand: Right handed
Height: 178 cm

Quick Take

Pre-match view

Context last updated 3 Jun 2026, 20:38 · Europe/Bucharest

Kopriva's perfect 4-0 H2H on clay, dominant recent form, and home-court advantage make him a clear favorite, though odds overstate his edge.

The most compelling betting opportunity is over 9.5 games in the first set, given consistent H2H and recent data showing 9- or 10-game openers. Avoid backing Sachko outright or in straight sets, as his poor H2H break-point conversion and Kopriva's fast starts leave little room for an upset.

Context

Kopriva won all four matches, including two three-setters where he rallied after losing the first set.
- In H2H, Kopriva's break point conversion rate is 59% compared to Sachko's 38%.
- All meetings were on clay, the same surface as this match.
On 26 and 28 May, Kopriva played back-to-back five-set matches at the French Open.
- His first Prostejov match on 2 June was a quick 6-0, 6-4 win, but the cumulative load from Paris remains.
- No official injury or withdrawal reports exist, but the recent match length is a workload concern.
Sachko's last five wins: Kumstat (rank 679), Pinnington Jones (132), Pavlovic (241), Rehberg (549), Dzumhur (87).
- In his last five matches against top-100 opponents, he lost four times, often in straight sets.
- His straight-set losses to Bueno (rank 183) and Fery (154) highlight inconsistency against mid-level challengers.

BetBugs edges

Compare BetBugs' chances with the market's.

Positive edges · 1

Other edges · 3

The published chance does not exceed the market's implied chance.

Match WinnerlostUncertainty band: Strong lean

Vit Kopriva

1.22fair 1.39

BetBugs 72% · Market 82%

0.0ppshort

Kopriva's perfect 4-0 H2H on clay, superior recent top-50 wins, and higher career clay win rate justify his favorite status, but the odds overstate his edge.

Set 1 WinnerlostUncertainty band: Strong lean

Vit Kopriva

1.30fair 1.54

BetBugs 65% · Market 76.9%

0.0ppshort

Kopriva's strong start in recent matches and H2H dominance in opening sets make him likely to take Set 1.

Set BettinglostUncertainty band: Near coin-flip

Vit Kopriva 2-0

1.73fair 1.67

BetBugs 45% · Market 57.8%

0.0ppshort

Kopriva's dominant straight-set form on clay and Sachko's vulnerability in straight-set losses create a small edge over the implied probability.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result0 of 1 landed

Signal quality High · Uncertainty band Strong lean · Market price 1.22
The read
Kopriva's perfect H2H record on clay, superior recent quality wins, and strong surface fit give him a clear edge.
- Kopriva leads H2H 4-0, all on clay, with a 59% break point conversion rate vs Sachko's 38%.
- Kopriva's career clay win rate is 303-? (approx 60%), while Sachko's is 232-? (approx 57%).
- Kopriva's recent form includes wins over top-50 players (Rublev, Moutet) and a dominant 6-0 6-4 win in R1 here.
- Sachko's last 5 matches: 3 wins, 2 losses, but against lower-ranked opponents (avg rank ~300).
BetBugs · Match WinnerlostVit KoprivaEstimated chance72%

Games1 of 2 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.91
The read
Historical H2H and recent first-set game counts consistently land at 9 or 10, making over 9.5 likely.
- H2H first sets: 6-3, 5-7, 6-3, 6-3 — all 9 or 10 games.
- Sachko's last 5 first sets: 5-7, 2-6, 3-6, 5-7, 7-6 — average 10.2 games.
- Kopriva's last 5 first sets: 6-0, 1-6, 6-3, 5-7, 3-6 — average 9.2 games.
- Both players have first-serve win percentages around 66%, limiting quick breaks.
BetBugs · Set 1 Total GameslostOver 9.5Estimated chance62%
Signal quality Medium · Uncertainty band Lean · Not priced
The read
Competitive H2H history and both players' tendency for close sets point to a match exceeding 21.5 games.
- Sachko's last 5 matches averaged 24.6 total games; Kopriva's averaged 22.4.
- H2H matches averaged 25.5 games, with two going to three sets.
- Both players have break point save rates around 57%, suggesting extended games.
- Sachko's R1 match had 27 games; Kopriva's had 16 but was an outlier blowout.
BetBugs · Total GameswonOver 21.5Estimated chance60%

Sets0 of 1 landed

Signal quality Medium · Uncertainty band Strong lean · Market price 1.30
The read
Kopriva's strong start in recent matches and H2H dominance in opening sets make him likely to take Set 1.
- Kopriva has won the first set in 3 of 4 H2H matches.
- Kopriva's first-set win conversion rate is 87% career, similar to Sachko's 87%.
- Kopriva's recent first sets: won 6-0 vs Martin, 6-3 vs Moutet, 6-3 vs Marozsan.
- Sachko lost first set 5-7 in his R1 match here.
BetBugs · Set 1 WinnerlostVit KoprivaEstimated chance65%

Match stats0 of 0 landed

Signal quality Medium · Uncertainty band Lean · Not priced
The read
Both players have double fault rates near 4 per match, and H2H history shows elevated counts, supporting over 5.5.
- Sachko averages 4.0 double faults per match career; Kopriva 4.1.
- H2H: Sachko 14 double faults in 4 matches (3.5 per match), Kopriva 12 (3.0 per match).
- Sachko's last 5 matches: 2, 3, 4, 5, 2 double faults — average 3.2.
- Kopriva's last 5 matches: 1, 4, 3, 2, 1 double faults — average 2.2.
BetBugs · Total Double FaultsOver 5.5Estimated chance58%

Markets to Avoid

High-risk markets where price or context leaves too little cushion.

Pre-match flagged 2 avoid-market areas; caution remains warranted in high-variance spots.

Head-to-Head

0-4 (4 meetings)

L1-6 7-6(3) 6-2Vitaliy Sachko#210vVit Kopriva#66Jul 30, 2023

L5-7 7-5 6-2Vitaliy Sachko#210vVit Kopriva#66May 2, 2023

L6-3 1-6 6-3Vitaliy Sachko#210vVit Kopriva#66Jul 18, 2019

L6-3 6-1Vitaliy Sachko#210vVit Kopriva#66Jul 11, 2019

Vit Kopriva dominates (4 meetings)4 total meetings

Vitaliy Sachko

8W 7L

5-7 6-0 6-3#679Jan Kumstat

6-2 6-4#183Gonzalo Bueno

3-6 7-6(5) 7-5#132Jack Pinnington Jones

7-5 6-3#154Arthur Fery

6-7(7) 7-5 6-4#235Nikolas Sanchez-Izquierdo

6-4 2-6 6-4#241Luka Pavlovic

6-1 6-2#49Gabriel Diallo

6-2 7-6(3)#549Max Hans Rehberg

7-5 6-4#87Damir Dzumhur

4-6 6-3 6-3#154Arthur Fery

6-4 5-7 6-3#206Kimmer Coppejans

7-5 7-5#285Michele Ribecai

6-3 7-6(1)#276Nerman Fatic

6-2 6-1#413Francesco Forti

7-5 6-1#58Hamad Medjedovic

Vit Kopriva

8W 7L

6-0 6-4#444Andrej Martin

1-6 2-6 6-4 7-5 6-0#69Martin Landaluce

6-3 5-7 6-4 3-6 6-3#34Corentin Moutet

7-5 6-1#6Felix Auger Aliassime

6-3 6-2#32Ugo Humbert

6-3 6-3#54Fabian Marozsan

7-5 6-0#29Rafael Jodar

6-4 3-6 ret.#25Arthur Rinderknech

6-3 6-4#13Andrey Rublev

6-2 6-0#224Zhizhen Zhang

6-3 6-2#14Flavio Cobolli

2-6 6-4 6-1#17Luciano Darderi

6-3 5-7 6-2#215Justin Engel

2-6 6-3 6-2#104Matteo Arnaldi

6-3 7-6(3)#127Alexandre Muller