Theodore Dean vs Guillaume Dalmasso Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
Published on 31 Oct at 02:47 AM UTC
HEAD TO HEAD
T. Dean vs G. Dalmasso

USA
1
Win
Played
0
Win

FRA
1
Win
Played
0
Win
Head-to-head: Dean 1 - 0 Dalmasso
They have played 3 sets in total, with Theodore Dean winning 2 and Guillaume Dalmasso winning 1. The last match between Theodore Dean and Guillaume Dalmasso was at the M15 Trois-Rivieres, 31-10-2025, Round: QF, Surface: I.hard, with Theodore Dean getting the victory 2-6 6-3 6-0.
| Players | Head To Head Match Wins |
|---|---|
| Dean | 1 |
| Dalmasso | 0 |
Last 1 H2H Matches:
(QF) M15 Trois-Rivieres(10-31-25)
T. Dean vs G. Dalmasso H2H Profile
| Stats | ||
|---|---|---|
| $0 | Career Prize Money | $0 |
| 70.83% (17-7) | Career Total W/L | 56.59% (73-56) |
| 1 | Indoor | 0 |
| 1 | Total H2H Matches | 0 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
T. Dean vs G. Dalmasso Match Preview:
- Second Serve Performance: Theodore Dean outshines Guillaume Dalmasso, winning 44.85% of second serve points in recent months, compared to Dalmasso's 41.66%. Could this be a significant factor in the match outcome?
- Return Game Efficiency: Guillaume Dalmasso excels in winning 48.33% of points on his opponent's second serve, outperforming Theodore Dean who wins 43.85%. Who holds the edge here?
- First Serve Return Stats: Theodore Dean has the upper hand, capturing 29.85% of first serve return points, surpassing Guillaume Dalmasso's 24.86%.
- Pressure Situations: Under breakpoint scenarios, Theodore Dean has a 60.00% success rate in saving breakpoints, whereas Guillaume Dalmasso saves 54.55%.
- Overall Performance: Over the past year, Theodore Dean has secured victories in 73.68% of his matches, whereas Guillaume Dalmasso won 57.35%.
- Surface Proficiency: The best surface for Theodore Dean is I.hard with a 100% win rate (4/0), while Guillaume Dalmasso shares a 100% success on Hard surfaces, although with more matches (68/45).
- Competitive Levels: Both players have predominantly competed in Futures/ITF events $10K in the past year, with Dean winning 73.68% of his matches and Dalmasso winning 58.06%.
- Opponent Caliber: Theodore Dean has faced tougher competition, playing against opponents with an average rank of 255.21, compared to Guillaume Dalmasso's 353.21 average rank.
- Deciding Set Outcomes: In deciding sets, Dean has a higher success rate of 75%, compared to Dalmasso's 61%.
Editorial Prediction (October 31, 2025, UTC):
The upcoming tennis match between Theodore Dean and Guillaume Dalmasso promises to be an intriguing contest, characterized by competitive strengths and weaknesses on both sides.
Theodore Dean has recently demonstrated superior performance in second serve points and shows resilience under pressure, with a higher breakpoint save percentage. His effectiveness in first serve return points further strengthens his on-court ingenuity.
Conversely, Guillaume Dalmasso leads slightly in the return of opponent's second serve points. Yet, his overall win rate is lower, and his success in deciding sets doesn't quite match Dean's impressive record.
Factor in Theodore Dean's ability to consistently triumph over higher-ranked opponents, and it appears he may hold a marginal advantage in this matchup.
Given these comparative statistics, Theodore Dean is likely to come out as the winner in this upcoming tennis match.
Theodore Dean vs Guillaume Dalmasso Editorial Preview By TennisTipster88.
T. Dean vs G. Dalmasso H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 1 |
| 14 | Games Won | 9 |
| 1 | Aces (Total) | 14 |
| 1 | Total Double Faults | 2 |
| 1:27:42 | Average Match Time | 1:27:42 |
| 79% (55/70) | 1st Serve % | 68% (36/53) |
| 58% (32/55) | 1st Serve Win % | 67% (24/36) |
| 67% (10/15) | 2nd Serve Win % | 53% (9/17) |
| 50% (3/6) | Break Pts Won % | 50% (2/4) |
| 38% (20/53) | Return Points Win % | 40% (28/70) |
| 100% (1/1) | Best‑of‑3 Win % | 0% (0/1) |
| 100% (1/1) | Deciding Set Win % | 0% (0/1) |
| 0% (0/0) | 1st Set Won, Won Match | 0% (0/1) |
| 0% (0/0) | 1st Set Won, Lost Match | 100% (1/1) |
| 100% (1/1) | 1st Set Lost, Won Match | 0% (0/0) |
Recent Performance Stats
T. Dean Recent Matches Played
G. Dalmasso Recent Matches Played

T. Dean vs G. Dalmasso Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 70.83% (17/7) | YTD Win/Loss | 56.59% (73/56) |
| 64.91% (37/20) | Sets Win/Loss | 55.10% (162/132) |
| 54.01% (296/252) | Games Win/Loss | 51.83% (1471/1367) |
| 71.43% (5/2) | Hard Win/Loss | 60.18% (68/45) |
| 60.00% (6/4) | Clay Win/Loss | 25.00% (1/3) |
| 85.71% (6/1) | Indoor Hard W/L | 33.33% (4/8) |
| 0.06 | Aces Per Game | 0.36 |
| 17 | Aces Total | 504 |
| 0.06 | Double Faults Per Game | 0.39 |
| 17 | Total Double Faults | 543 |
| 1st Match | Average Match Time | 1:28:3 |
| 288.46 | Average Opponent Rank | 312.57 |
| 70% (445/638) | 1st Serve % | 61% (4477/7315) |
| 62% (275/445) | 1st Serve Win % | 72% (3220/4477) |
| 50% (97/193) | 2nd Serve Win % | 47% (1329/2838) |
| 32% (20/63) | Break Points Won % (Total) | 43% (289/677) |
| 36% (219/603) | Return Points Win % | 39% (2925/7485) |
| 0% (0/0) | Challenger W/L | 50.00% (3/3) |
| 70.83% (17/7) | Futures W/L | 56.91% (70/53) |
| 71% (17/24) | Best of 3 Sets Win % | 57% (72/127) |
| 0% (0/0) | Best of 5 Sets Win % | 50% (1/2) |
| 100% (5/5) | Tiebreaks Win % (Total) | 51% (18/35) |
| 67% (6/9) | Deciding Set Win % | 56% (19/34) |
| 100% (13/13) | 1st Set Won, Won Match | 89% (66/59) |
| 0% (13/0) | 1st Set Won, Lost Match | 11% (66/7) |
| 36% (11/4) | 1st Set Lost, Won Match | 22% (63/14) |