Ioannis Kountourakis vs Sam Ryan ZiegannPrediction, Head-to-Head Results, and Stats
🇬🇷Ioannis Kountourakis
#1496 · 23 yrs · R
4w2 meetings · sets 4–2
🇦🇺Sam Ryan Ziegann
#812 · 28 yrs · R
33Ioannis Kountourakis and Sam Ryan Ziegann have met 2 times since 2026; Ioannis Kountourakis leads 2–0. Their first meeting came at Futures 2026 in 2026 on hard. Kountourakis has won the last 2 meetings. Across all meetings Kountourakis has taken 4 sets to Ziegann's 2. Their most recent meeting: Ioannis Kountourakis won at M25 Skopje (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Kountourakis | Ryan Ziegann | ||
|---|---|---|---|---|
| Indicator | Ioannis Kountourakis | Sam Ryan Ziegann | ||
| Wins in straight sets | 29% | 2/7 | 50% | 9/18 |
| Wins a set when losing | 23% | 5/22 | 27% | 8/30 |
| Goes to a deciding set | 34% | 10/29 | 35% | 17/48 |
| Covers −1.5 sets as favorite | 20% | 1/5 | 38% | 6/16 |
| Covers +1.5 sets as underdog | 30% | 6/20 | 46% | 11/24 |
| Tiebreak sets won | 11% | 1/9 | 45% | 10/22 |
| Wins after taking set 1 | 78% | 7/9 | 79% | 15/19 |
| Wins 2-0 after taking set 1 | 22% | 2/9 | 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. Head-to-head: 0 of 2 completed meetings ended in straight sets (Kountourakis 0, Ryan Ziegann 0).
Style Matchup
Playing styles and historical archetype record
Kountourakis
⚙️ Grinder
Ziegann
💥 Big Hitter
Matchup analysis
The 💥 Big Hitter archetype wins about 55% vs ⚙️ Grinder across 1,211 matches in our dataset: a stylistic lean toward Sam Ryan Ziegann.
Big Hitter players often use power groundstrokes and high winner count to pressure the grinder's relentless consistency.
Previous meetings
2 career meetings, newest first
Jul 2, 2026
M25 Skopje
C Clay · 1st Round
Jul 2, 2026
Futures 2026
H Hard
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Kountourakis | Ziegann | ||
|---|---|---|---|---|
| Outcome | Ioannis Kountourakis | Sam Ryan Ziegann | ||
| 1 or more | 100% | 4/4 | 94% | 15/16 |
| 3 or more | 0% | 0/4 | 75% | 12/16 |
| 5 or more | 0% | 0/4 | 63% | 10/16 |
| 10 or more | 0% | 0/4 | 19% | 3/16 |
| 15 or more | 0% | 0/4 | 6% | 1/16 |
| 20 or more | 0% | 0/4 | 0% | 0/16 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Kountourakis | Ziegann |
|---|---|---|
| W-L | 1–4 | 7–9 |
| Avg odds | 3.60 | 2.69 |
| ROI % | -68.2% | -1.8% |
| Units P/L | -3.41u | -0.28u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Kountourakis | Ziegann |
|---|---|---|
| Countries | 1 | 2 |
| Events | 1 | 3 |
| Matches | 1 | 4 |
| Distance | — | — |
| Route | SRB | 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
Aleksa Pisaric
M25 Kursumlijska Banja · 1st Round
Aug 5
Elgin Khoeblal
M15 Kursumlijska Banja · 1st Round
Jul 22
Sam Ryan Ziegann
Futures 2026
Jul 2
Petar Jovanovic
M25 Skopje · 2nd Round
Jul 2
Petar Jovanovic
Futures 2026
Jul 2
Sam Ryan Ziegann
M25 Skopje · 1st Round
Jul 2
Maxwell Mckennon
M15 Kayseri · 1st Round
May 26
Aaron Funk
M15 Hurghada · Round of 32
May 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
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 29–49 matches
| Metric | Kountourakis | Ziegann |
|---|---|---|
| Matches won | 24% | 39% |
| Sets won | 28% | 39% |
| Games won | 44% | 47% |
Record by tier
Head-to-head record by tournament tier
| Stage | Kountourakis | Ziegann |
|---|---|---|
| ITF M25 | 1 | 0 |
| ITF M | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Kountourakis | Ziegann |
|---|---|---|
| Hard | 1 | 0 |
| Clay | 1 | 0 |
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