Dean O'Brien vs Marcelo ZormannPrediction, Head-to-Head Results, and Stats
Dean O'Brien and Marcelo Zormann have met 1 time since 2016; Marcelo Zormann leads 1–0. Across all meetings O'Brien has taken 0 sets to Zormann's 2. Their most recent meeting: Marcelo Zormann won at Bogota (2016).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | O'Brien | Zormann | ||
|---|---|---|---|---|
| Indicator | Dean O'Brien | Marcelo Zormann | ||
| Wins in straight sets | — | 0% | 0/1 | |
| Wins a set when losing | 0% | 0/1 | 0% | 0/2 |
| Goes to a deciding set | 0% | 0/1 | 33% | 1/3 |
| Covers −1.5 sets as favorite | — | 0% | 0/1 | |
| Covers +1.5 sets as underdog | — | 100% | 1/1 | |
| Tiebreak sets won | — | 0% | 0/1 | |
| Wins after taking set 1 | — | — | ||
| Wins 2-0 after taking set 1 | — | — | ||
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 (O'Brien 0, Zormann 1).
Previous meetings
1 career meeting, newest first
Nov 7, 2016
Bogota
C Clay · 2nd Round Qualifying
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | O'Brien | Zormann |
|---|---|---|
| W-L | - | 1–1 |
| Avg odds | - | 5.02 |
| ROI % | - | +327.5% |
| Units P/L | - | +6.55u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Recent Form
Last five matches per player
Luke Cripps
Futures 2026
May 31
Marcelo Zormann
Bogota · 2nd Round Qualifying
Nov 7
Camilo Andres Erazo
Bogota · 1st Round Qualifying
Nov 7
Hunter Tubert
Columbus 2 · 1st Round Qualifying
Nov 2
Ante Pavic
Orleans · 1st Round Qualifying
Sep 26
Ruan Roelofse
Izmir · 1st Round Qualifying
Sep 1
Michael Genender
Aptos · 1st Round Qualifying
Aug 8
Cameron Norrie
Aptos · 2nd Round Qualifying
Aug 8
S D Prajwal Dev
Iasi challenger
Jul 6
Radu Albot
Iasi challenger
Jul 5
Paulo Andre Saraiva Dos Santos
Brasilia Tennis Open · 1st Round Qualifying
Mar 1
Victor Braga
Antofagasta · 1st Round Qualifying
Sep 22
Stijn Slump
Luedenscheid · 1st Round Qualifying
Jul 28
Nikoloz Basilashvili
Skopje · 1st Round Qualifying
May 19
Wilson Leite
Asuncion · 1st Round Qualifying
Mar 17
Gonzalo Bueno
Brasilia · 2nd Round Qualifying
Nov 20
Win rate
Matches, sets and games won · Last 12 months · 1–3 matches
| Metric | O'Brien | Zormann |
|---|---|---|
| Matches won | 0% | 33% |
| Sets won | 0% | 29% |
| Games won | 0% | 43% |
Record by tier
Head-to-head record by tournament tier
| Stage | O'Brien | Zormann |
|---|---|---|
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | O'Brien | Zormann |
|---|---|---|
| Clay | 0 | 1 |
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