Match analytics

John Wolf Jeffrey vs Stefan Kozlov · Match odds & ELO prediction

Cleveland • Hard • Jan 31, 2025 • 11:45 PM

Hard

Final score

2 - 0

Winner John Wolf Jeffrey

Key insights

Player performance profile

John Wolf Jeffrey

HARD

60% · 64 on hard

Games won (last 10)

60%

7 matches tracked

Stefan Kozlov

HARDSmall sample

67% · 21 on hard

Games won (last 10)

58%

10 matches tracked

Player Skillset

Based on ~209 points across 2 matches

Serve strengthServe strength (Player serve win % - tour average serve win %) scaled by sample size
Vulnerable
-4.81% Pctl
Return strengthReturn strength (Player return win % - tour average return win %) scaled by sample size
Elite
3.399% Pctl
Pressure IndexPressure Index (Break point performance - baseline point performance) with a small adjustment for tiebreak results
Solid
+0.452% Pctl
Tiebreak win %
Insufficient data

Percentiles compare against tour-level players in TennisTrove.

Match Overview

John Wolf Jeffrey and Stefan Kozlov are set to meet at the Cleveland on January 31, 2025 in a hard-court singles match. Jeffrey enters with a 6–4 record on hard courts in 2025, while Kozlov has posted a 22–9 mark on hard courts this season. Elo ratings point to a clear statistical advantage for Kozlov entering this matchup. Their head-to-head is currently level, with each player having recorded 3 wins.

Both players enter with respectable recent form, as Jeffrey and Kozlov have each won three or more of their last five singles matches.