ATP Challenger Tour · Round of 32 · Zadar Open
Final score & match stats
Playing styles and historical archetype record
Krumich
🧱 The Wall
Sperle
🛡️ The Spoiler
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Krumich | Sperle |
|---|---|---|
| W-L | 10–8 | 4–3 |
| Avg odds | 1.94 | 2.39 |
| ROI % | -3.3% | +22.4% |
| Units P/L | -0.59u | +1.57u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Prior meetings and scores · 2 career meetings
1
Krumich
1
Sperle
Hit rates on common betting markets · Last 90 days
| Outcome | Krumich | Sperle | ||
|---|---|---|---|---|
| 1 or more | 90% | 17/19 | 100% | 7/7 |
| 3 or more | 68% | 13/19 | 43% | 3/7 |
| 5 or more | 42% | 8/19 | 14% | 1/7 |
| 10 or more | 5% | 1/19 | 0% | 0/7 |
| 15 or more | 0% | 0/19 | 0% | 0/7 |
| 20 or more | 0% | 0/19 | 0% | 0/7 |
Serve and return comparison · Last 90 days
| Stat | Krumich | Sperle |
|---|---|---|
| Serve | ||
| 1st Serve In % | 61% | 65% |
| 1st Serve Pts Won % | 69.2% | 62.4% |
| 2nd Serve Pts Won % | 51.3% | 53.7% |
| Aces / Match | 4.1 | 2.6 |
| Double Faults / Match | 1.9 | 1.3 |
| Break Points Saved % | 55.1% | 44.3% |
| Return | ||
| 1st Return Pts Won % | 33.4% | 33.8% |
| 2nd Return Pts Won % | 49.1% | 54.8% |
| BP Converted % | 37% | 47.7% |
| Rally | ||
| Winners / Match | 20.2 | 25.6 |
| Unforced Errors / Match | 31.5 | 38.3 |
| Net Pts Won % | 64.6% | 57.6% |
| Total Pts Won % | 50.3% | 49.6% |
| Surface (Clay) | ||
| Clay Win % | 55% | 60% |
Last five matches per player
Jacopo Vasami
Garden Open · 2nd Round Qualifying
Apr 20
Gianmarco Ferrari
Garden Open · 1st Round Qualifying
Apr 19
Tom Gentzsch
Oeiras Open 3 · 1st Round Qualifying
Apr 12
Jacopo Vasami
Atkinsons Monza Open · 1st Round Qualifying
Apr 5
Felix Gill
Open Città della Disfida - Trofeo Lapietra · Quarterfinals
Apr 4
Jakub Paul
Guerri Napoli Tennis Cup · 2nd Round Qualifying
Mar 23
Federico Arnaboldi
Guerri Napoli Tennis Cup · 1st Round Qualifying
Mar 22
Martin Krumich
Zadar Open · Round of 32
Mar 17
Stefan Palosi
Zadar Open · 2nd Round Qualifying
Mar 16
Stefan Popovic
Zadar Open · 1st Round Qualifying
Mar 15
Matchup overview
Martin Krumich and John Sperle face off in the Round of 32 at Zadar Open on Clay.
Martin Krumich leads 1-1 over 2 previous meetings.
Martin Krumich is 1-4 over the last 5 matches. Latest result: L vs Jacopo Vasami (Apr 20).
John Sperle is 3-2 over the last 5 matches. Latest result: L vs Jakub Paul (Mar 23).
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