Hikaru Shiraishi vs Ryan SeggermanPrediction, Head-to-Head Results, and Stats
Hikaru Shiraishi and Ryan Seggerman have met 1 time since 2026; Ryan Seggerman leads 1–0. Across all meetings Shiraishi has taken 1 sets to Seggerman's 2. Their most recent meeting: Ryan Seggerman won at Wuning 3 Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Shiraishi | Seggerman | ||
|---|---|---|---|---|
| Indicator | Hikaru Shiraishi | Ryan Seggerman | ||
| Wins in straight sets | 73% | 24/33 | 42% | 8/19 |
| Wins a set when losing | 45% | 15/33 | 42% | 5/12 |
| Goes to a deciding set | 36% | 24/66 | 52% | 16/31 |
| Covers −1.5 sets as favorite | 38% | 14/37 | 42% | 5/12 |
| Covers +1.5 sets as underdog | 55% | 11/20 | 72% | 13/18 |
| Tiebreak sets won | 27% | 6/22 | 43% | 10/23 |
| Wins after taking set 1 | 82% | 31/38 | 73% | 11/15 |
| Wins 2-0 after taking set 1 | 63% | 24/38 | 53% | 8/15 |
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: 0 of 1 completed meetings ended in straight sets (Shiraishi 0, Seggerman 0).
Style Matchup
Playing styles and historical archetype record
Shiraishi
🪃 Counterpuncher
Seggerman
🤖 Servebot
Matchup analysis
The 🤖 Servebot archetype wins about 55% vs 🪃 Counterpuncher across 3,438 matches in our dataset: a stylistic lean toward Ryan Seggerman.
Servebot players often use high ace rate and dominant service to pressure the counterpuncher's elite bp conversion.
Previous meetings
1 career meeting, newest first
Oct 6, 2026
Wuning 3 Challenger
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Shiraishi | Seggerman | ||
|---|---|---|---|---|
| Outcome | Hikaru Shiraishi | Ryan Seggerman | ||
| 1 or more | 67% | 10/15 | 100% | 10/10 |
| 3 or more | 20% | 3/15 | 100% | 10/10 |
| 5 or more | 0% | 0/15 | 90% | 9/10 |
| 10 or more | 0% | 0/15 | 90% | 9/10 |
| 15 or more | 0% | 0/15 | 90% | 9/10 |
| 20 or more | 0% | 0/15 | 60% | 6/10 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Shiraishi | Seggerman |
|---|---|---|
| W-L | 2–9 | 7–4 |
| Avg odds | 2.80 | 1.89 |
| ROI % | -70.5% | -4.8% |
| Units P/L | -7.76u | -0.53u |
Travel
Last 30 days
| Metric | Shiraishi | Seggerman |
|---|---|---|
| Countries | 1 | 2 |
| Events | 1 | 2 |
| Matches | 1 | 2 |
| Distance | 0 mi · 0 km | 6,486 mi · 10,439 km |
| Route | CHN | USA → CHN |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. 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
Ryan Seggerman
Wuning 3 Challenger · 1st Round
Oct 6
Adam Walton
Jingshan Challenger · 1st Round Qualifying
Sep 28
Jake Delaney
Guangzhou Challenger · 1st Round
Sep 15
Seongchan Hong
M25 Sapporo · Quarterfinals
Sep 11
Chan Yeong Oh
M25 Sapporo · 2nd Round
Sep 10
Yusuke Takahashi
M25 Sapporo · 1st Round
Sep 8
Ryota Tanuma
M25 Urayasu · 2nd Round
Sep 3
Saki Tange
M25 Urayasu · 1st Round
Sep 2
Jay Dylan Hara Friend
Wuning 3 Challenger · Quarterfinals
Oct 9
Kaichi Uchida
Wuning 3 Challenger · 2nd Round
Oct 8
Hikaru Shiraishi
Wuning 3 Challenger · 1st Round
Oct 6
Maxim Zhukov
Wuning 3 Challenger · 3rd Round Qualifying
Oct 5
Naoki Tajima
Wuning 3 Challenger · 1st Round Qualifying
Oct 4
Aleksandar Vukic
Jingshan Challenger · 1st Round Qualifying
Sep 28
Mitchell Krueger
Tiburon Challenger · 2nd Round
Sep 17
Aidan Mayo
Tiburon Challenger · 1st Round
Sep 15
Win rate
Matches, sets and games won · Last 12 months · 31–66 matches
| Metric | Shiraishi | Seggerman |
|---|---|---|
| Matches won | 50% | 61% |
| Sets won | 52% | 55% |
| Games won | 51% | 51% |
Record by tier
Head-to-head record by tournament tier
| Stage | Shiraishi | Seggerman |
|---|---|---|
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Shiraishi | Seggerman |
|---|---|---|
| Hard | 0 | 1 |
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