Steven Diez vs Justin Boulais Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
S. Diez vs J. Boulais
Steven Diez
CAN
l
w
l
l
l
l
w
w
l
l
1
Win
1
Played
0
Win
34
Age
24
5'9" (175 cm)
Height
6'0" (183 cm)
895
C. Rank
549
134
Best Rank
483
0
Total Titles
0
0
YTD Titles
0
$335.9K
Career Money
$0
Right-Handed
Plays
Left-Handed
Justin Boulais
CAN
l
w
l
w
w
l
w
w
l
l
1
Win
1
Played
0
Win
34
Age
24
5'9" (175 cm)
Height
6'0" (183 cm)
895
C. Rank
549
134
Best Rank
483
0
Total Titles
0
0
YTD Titles
0
$335.9K
Career Money
$0
Right-Handed
Plays
Left-Handed
Head-to-head: Diez 1 - 0 Boulais
They have played 2 sets in total, with Steven Diez winning 2 and Justin Boulais winning 0. The last match between Steven Diez and Justin Boulais was at the Canada F4 (Kelowna), 28-06-2018, Round: R2, Surface: Hard, with Steven Diez getting the victory 6-3 6-3.
| Players | Head To Head Match Wins |
|---|---|
| Diez | 1 |
| Boulais | 0 |
Last 1 H2H Matches:
(R2) Canada F4 (Kelowna)(06-28-18)
Steven Diez
6
6
Justin Boulais
3
3
S. Diez vs J. Boulais H2H Profile
| Stats | ||
|---|---|---|
| $335,910 | Career Prize Money | $0 |
| 54.64% (571-474) | Career Total W/L | 49.73% (92-93) |
| 1 | Hard | 0 |
| 24 | Titles | 2 |
| 1 | Total H2H Matches | 0 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
S. Diez vs J. Boulais Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Steven Diez has won 38.46% of points on their second serve, while Justin Boulais has won 42.12%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Steven Diez, in recent form, has won 44.07% of their opponent's second serve points, while Justin Boulais has won 47.24%. The same stats for first serve returns are 32.82% and 26.40% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Steven Diez has saved 40.00% of breakpoints in recent form, whereas Justin Boulais has saved 55.12% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Steven Diez has won 52.00% of matches played (W/L 13/12), with Justin Boulais winning 61.54% (W/L 40/25) that gives us an overall head-to head prediction overview.
- Best surface: Steven Diez has their best career surface win % on Hard, winning 57% (W/L 212/163), and worse career win % on Grass, winning 25% (W/L 3/9). Justin Boulais has their best career surface win % on Hard, winning 57% (W/L 56/47), and worse career win % on Clay, winning 32% (W/L 6/13).
- Player level: In the last year, Steven Diez has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 58.82% of matches (W/L 10/7), where as Justin Boulais has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 69.77% of matches (W/L 30/13). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
- Direct H2H matches: They have played 1 times before with Steven Diez winning 1 times and Justin Boulais being victorious 0 times. They have played 2 sets in total, with Steven Diez winning 2 and Justin Boulais winning 0.
- The last match between Steven Diez and Justin Boulais was at the Canada F4 (Kelowna), 28-06-2018, Round: R2, Surface: Hard, with Steven Diez getting the victory 6-3 6-3.
- Head to head match duration: In past head to head matches, the average match time between these players has been 1:24:0.
- Opponent quality stats: Over the last 12 months, Steven Diez has played against opponents with an average rank of 347.72 while Justin Boulais has played against players with an average rank of 331.22.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Steven Diez has won 14% of deciding sets over the last 12 months, while Justin Boulais has won 60% in all matches played on tour.
- Break point conversion: In recent form, Steven Diez has converted 41.67% of breakpoint opportunities, and Justin Boulais has converted 33.54% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Steven Diez vs Justin Boulais Editorial Preview By TennisTipster88.
S. Diez vs J. Boulais H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 0 |
| 12 | Games Won | 6 |
| 2 | Aces (Total) | 2 |
| 2 | Total Double Faults | 7 |
| 1:24:0 | Average Match Time | 1:24:0 |
| 59% (38/64) | 1st Serve % | 46% (27/59) |
| 71% (27/38) | 1st Serve Win % | 59% (16/27) |
| 65% (17/26) | 2nd Serve Win % | 50% (16/32) |
| 43% (3/7) | Break Pts Won % | 0% (0/7) |
| 46% (27/59) | Return Points Win % | 31% (20/64) |
| 100% (1/1) | Best‑of‑3 Win % | 0% (0/1) |
| 100% (1/1) | 1st Set Won, Won Match | 0% (0/0) |
| 0% (0/1) | 1st Set Won, Lost Match | 0% (0/0) |
| 0% (0/0) | 1st Set Lost, Won Match | 0% (0/1) |
Recent Performance Stats
2nd Serve Win %: Diez 49%, Boulais 49%.
Opp 2nd Serve Pts Won: Diez 55%, Boulais 54%.
Break Points Saved %: Diez 57%, Boulais 56%.
S. Diez Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
 Heilbronn Challenger - 02-06-2025 | ||||
Q1  Rei SakamotoR. Sakamoto | L | 4-6 6-0 6-3 | ||
| M25 Vic - 12-05-2025 | ||||
QF  Lorenzo GiustinoL. Giustino | L | 6-1 2-1 ret. | ||
R2  Andres Santamarta RoigA. Santamarta | W | 6-3 7-5 | ||
R1  Michiel De KromM. De | W | 6-1 ret. | ||
| M25 Sabadell - 28-04-2025 | ||||
R1  Sekou BangouraS. Bangoura | L | 4-6 7-6(4) 6-1 | ||
J. Boulais Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
 Drummondville Challenger - 10-11-2025 | ||||
R1 Tristan MccormickT. Mccormick | L | 6-4 6-0 | ||
| Charlottesville Challenger - 27-10-2025 | ||||
R1 Cannon KingsleyC. Kingsley | L | 6-3 6-3 | ||
Q3  Arda AzkaraA. Azkara | W | 6-2 6-4 | ||
Q1 Trevor SvajdaT. Svajda | W | 6-4 6-4 | ||
| Sioux Falls Challenger - 20-10-2025 | ||||
R1  Mats RosenkranzM. Rosenkranz | L | 6-1 6-4 | ||
S. Diez vs J. Boulais Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 54.64% (571/474) | YTD Win/Loss | 49.73% (92/93) |
| 54.52% (1285/1072) | Sets Win/Loss | 50.95% (215/207) |
| 52.19% (11187/10250) | Games Win/Loss | 50.39% (2028/1997) |
| 56.53% (212/163) | Hard Win/Loss | 54.37% (56/47) |
| 55.87% (338/267) | Clay Win/Loss | 31.58% (6/13) |
| 33.96% (18/35) | Indoor Hard W/L | 47.62% (30/33) |
| 25.00% (3/9) | Grass Win/Loss | 0% (0/0) |
| 0.11 | Aces Per Game | 0.23 |
| 1110 | Aces Total | 453 |
| 0.17 | Double Faults Per Game | 0.27 |
| 1791 | Total Double Faults | 540 |
| 1:9:1 | Average Match Time | 1:26:49 |
| 576.16 | Average Opponent Rank | 458.4 |
| 63% (29963/47216) | 1st Serve % | 65% (6932/10726) |
| 65% (19468/29963) | 1st Serve Win % | 67% (4651/6932) |
| 49% (8390/17253) | 2nd Serve Win % | 49% (1873/3794) |
| 46% (2388/5143) | Break Points Won % (Total) | 39% (402/1036) |
| 42% (20073/47619) | Return Points Win % | 39% (4232/10855) |
| 42.86% (15/20) | Slam W/L | 0% (0/0) |
| 25.00% (4/12) | Masters W/L | 0.00% (0/2) |
| 0.00% (0/4) | Cups W/L | 0% (0/0) |
| 34.48% (20/38) | Main Tour W/L | 0% (0/0) |
| 45.31% (198/239) | Challenger W/L | 39.44% (28/43) |
| 67.47% (334/161) | Futures W/L | 57.14% (64/48) |
| 55% (557/1009) | Best of 3 Sets Win % | 50% (92/184) |
| 33% (3/9) | Best of 5 Sets Win % | 0% (0/0) |
| 47% (109/233) | Tiebreaks Win % (Total) | 50% (27/54) |
| 48% (136/285) | Deciding Set Win % | 43% (23/54) |
| 83% (588/490) | 1st Set Won, Won Match | 80% (99/79) |
| 16% (588/97) | 1st Set Won, Lost Match | 20% (99/20) |
| 18% (456/80) | 1st Set Lost, Won Match | 15% (85/13) |
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