John Wolf Jeffrey vs Coleman Wong Chak Lam · Match odds & ELO prediction
Bloomfield Hills • Hard • Jul 22, 2026 • 2:00 PM
John Wolf Jeffrey
Coleman Wong Chak Lam
Head-to-head
H2H (0)
No previous meetings
Head-to-head
H2H (0)
No previous meetings
Key insights
Player performance profile
John Wolf Jeffrey
67% · 6–3 on clay
Games won (last 10)
55%
10 matches tracked
Coleman Wong Chak Lam
67% · 2–1 on hard
Games won (last 10)
48%
10 matches tracked
Player Skillset
Based on ~5,782 points across 42 matches
Percentiles compare against tour-level players in TennisTrove.
Player Skillset
Based on ~5,782 points across 42 matches
| Metric | Value | Percentile | Tier |
|---|---|---|---|
Serve strengthServe strength
(Player serve win % - tour average serve win %)
scaled by sample size | 1.5 | 65% | Solid |
Return strengthReturn strength
(Player return win % - tour average return win %)
scaled by sample size | -2.9 | 31% | Shaky |
Pressure IndexPressure Index
(Break point performance - baseline point performance)
with a small adjustment for tiebreak results | +7.8 | 96% | Elite |
Tiebreak win % | 76% | 97% | Elite |
Percentiles compare against tour-level players in TennisTrove.
Match Overview
John Wolf Jeffrey and Coleman Wong Chak Lam are set to meet at the Bloomfield Hills on July 22, 2026 in a hard-court singles match. Jeffrey enters with limited recorded results on hard courts in 2026, while Lam has posted a 2–1 mark on hard courts this season. Elo ratings point to a clear statistical advantage for Lam entering this matchup. This will be the first meeting between Jeffrey and Lam at the professional level.