Oliver Okonkwo vs Zhizhen ZhangPrediction, Head-to-Head Results, and Stats
Oliver Okonkwo and Zhizhen Zhang have met 1 time since 2026; Zhizhen Zhang leads 1–0. Across all meetings Okonkwo has taken 0 sets to Zhang's 2. Their most recent meeting: Zhizhen Zhang won at Lexus Nottingham Open (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Okonkwo | Zhang | ||
|---|---|---|---|---|
| Indicator | Oliver Okonkwo | Zhizhen Zhang | ||
| Wins in straight sets | 76% | 13/17 | 64% | 14/22 |
| Wins a set when losing | 32% | 7/22 | 38% | 9/24 |
| Goes to a deciding set | 28% | 11/39 | 37% | 17/46 |
| Covers −1.5 sets as favorite | 20% | 2/10 | 46% | 11/24 |
| Covers +1.5 sets as underdog | 61% | 14/23 | 50% | 10/20 |
| Tiebreak sets won | 50% | 10/20 | 43% | 13/30 |
| Wins after taking set 1 | 68% | 13/19 | 78% | 18/23 |
| Wins 2-0 after taking set 1 | 68% | 13/19 | 61% | 14/23 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 1 of 1 completed meetings ended in straight sets (Okonkwo 0, Zhang 1).
Style Matchup
Playing styles and historical archetype record
Okonkwo
💥 Big Hitter
Zhang
🤖 Servebot
Matchup analysis
💥 Big Hitter vs 🤖 Servebot is historically tight (50% vs 50%, 3,444 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
Jun 14, 2026
Lexus Nottingham Open
G Grass · 2nd Round Qualifying
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Okonkwo | Zhang | ||
|---|---|---|---|---|
| Outcome | Oliver Okonkwo | Zhizhen Zhang | ||
| 1 or more | 100% | 10/10 | 100% | 14/14 |
| 3 or more | 80% | 8/10 | 100% | 14/14 |
| 5 or more | 60% | 6/10 | 100% | 14/14 |
| 10 or more | 20% | 2/10 | 64% | 9/14 |
| 15 or more | 0% | 0/10 | 14% | 2/14 |
| 20 or more | 0% | 0/10 | 0% | 0/14 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Okonkwo | Zhang |
|---|---|---|
| W-L | 6–7 | 8–7 |
| Avg odds | 2.59 | 1.84 |
| ROI % | +14.5% | -5.6% |
| Units P/L | +1.88u | -0.84u |
Travel
Last 30 days
| Metric | Okonkwo | Zhang |
|---|---|---|
| Countries | 1 | — |
| Events | 2 | — |
| Matches | 5 | — |
| Distance | — | — |
| Route | USA | — |
Host country from the tournament each match was played in, over the last 30 days. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Across 1 shared opponent, both Okonkwo and Zhang posted a 100% win rate.
| Opponent | Okonkwo | Zhang |
|---|---|---|
| Mohammad Alkotop | W 62 64 | W 67 64 76 |
Recent Form
Last five matches per player
Jakub Vrba
M15 Champaign · Semifinals
Aug 29
Felix Corwin
M15 Champaign · Quarterfinals
Aug 28
Nathan Ponwith
M15 Champaign · 2nd Round
Aug 27
Jesse Flores
M15 Champaign · 1st Round
Aug 26
Marko Mesarovic
M25 East Lansing · 1st Round
Aug 12
Eli Stephenson
M25 Champaign · 1st Round
Jul 22
Alejandro Garcia Moreno
Futures 2026
Jul 15
Alejandro Moreno
M25 Louisville · 1st Round
Jul 15
J.J. Wolf
Vancouver Challenger · 1st Round
Jul 29
Charles Broom
Winnipeg Challenger · 2nd Round
Jul 22
Tyler Zink
Winnipeg Challenger · 1st Round
Jul 21
Justin Boulais
Granby Challenger · 1st Round
Jul 13
Henry Searle
Wimbledon · 1st Round Qualifying
Jun 22
Otto Virtanen
Nottingham 2 Challenger · Semifinals
Jun 19
Roman Safiullin
Nottingham 2 Challenger · Quarterfinals
Jun 18
Jaime Faria
Nottingham 2 Challenger · 2nd Round
Jun 16
Win rate
Matches, sets and games won · Last 12 months · 39–48 matches
| Metric | Okonkwo | Zhang |
|---|---|---|
| Matches won | 44% | 46% |
| Sets won | 46% | 46% |
| Games won | 49% | 48% |
Record by tier
Head-to-head record by tournament tier
| Stage | Okonkwo | Zhang |
|---|---|---|
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Okonkwo | Zhang |
|---|---|---|
| Grass | 0 | 1 |
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