He Ziheng vs Sam Ryan ZiegannPrediction, Head-to-Head Results, and Stats
He Ziheng and Sam Ryan Ziegann have met 1 time since 2026; Sam Ryan Ziegann leads 1–0. Across all meetings Ziheng has taken 0 sets to Ziegann's 2. Their most recent meeting: Sam Ryan Ziegann won at M15 Luan (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Ziheng | Ryan Ziegann | ||
|---|---|---|---|---|
| Indicator | He Ziheng | Sam Ryan Ziegann | ||
| Wins in straight sets | 100% | 2/2 | 50% | 9/18 |
| Wins a set when losing | 0% | 0/4 | 27% | 8/30 |
| Goes to a deciding set | 0% | 0/6 | 35% | 17/48 |
| Covers −1.5 sets as favorite | 0% | 0/1 | 38% | 6/16 |
| Covers +1.5 sets as underdog | 0% | 0/2 | 46% | 11/24 |
| Tiebreak sets won | 100% | 1/1 | 45% | 10/22 |
| Wins after taking set 1 | 100% | 2/2 | 79% | 15/19 |
| Wins 2-0 after taking set 1 | 100% | 2/2 | 47% | 9/19 |
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. Small sample — read with care. Head-to-head: 1 of 1 completed meetings ended in straight sets (Ziheng 0, Ryan Ziegann 1).
Previous meetings
1 career meeting, newest first
May 27, 2026
M15 Luan
H Hard · Round of 32
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Ziheng | Ziegann |
|---|---|---|
| W-L | 0–2 | 7–9 |
| Avg odds | 1.75 | 2.69 |
| ROI % | -100.0% | -1.8% |
| Units P/L | -2.00u | -0.28u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Ziheng | Ziegann |
|---|---|---|
| Countries | — | 2 |
| Events | — | 3 |
| Matches | — | 4 |
| Distance | — | — |
| Route | — | INA → CHN |
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.
Recent Form
Last five matches per player
Xirui Han
Futures 2026
Jul 5
Kanan Gasimov
Futures 2026
Jun 21
Ryusuke Horiuchi
Futures 2026
Jun 2
Liang Liang
Futures 2026
May 31
Sam Ryan Ziegann
M15 Luan · Round of 32
May 27
You Du
Futures 2026
May 25
Yunseok Jang
M15 Maanshan · Round of 32
Aug 20
Chan Yeong Oh
M15 Maanshan · 1st Round
Aug 26
Fanming Meng
M15 Maanshan · 1st Round
Aug 19
Isaac Becroft
M15 Bali · Final
Aug 2
Keisuke Saitoh
M15 Bali · Semifinals
Aug 1
Tanapatt Nirundorn
M15 Bali · Quarterfinals
Jul 31
Yuttana Charoenphon
M15 Bali · 2nd Round
Jul 30
Yuta Kawahashi
M15 Bali · 1st Round
Jul 28
Thanaphat Boosarawongse
M15 Bali · Quarterfinals
Jul 24
Win rate
Matches, sets and games won · Last 12 months · 6–49 matches
| Metric | Ziheng | Ziegann |
|---|---|---|
| Matches won | 33% | 39% |
| Sets won | 33% | 39% |
| Games won | 43% | 47% |
Record by tier
Head-to-head record by tournament tier
| Stage | Ziheng | Ziegann |
|---|---|---|
| ITF M15 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Ziheng | Ziegann |
|---|---|---|
| Hard | 0 | 1 |
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