Steven Diez vs Justin Boulais Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
S. Diez vs J. Boulais

Steven Diez

CAN

1

Win

Played

0

Win

Age

5'9" (175 cm)

Height

6'0" (183 cm)

898

C. Rank

562

134

Best Rank

483

Total Titles

YTD Titles

$335.9K

Career Money

Right-Handed

Plays

Left-Handed

Justin Boulais

CAN

1

Win

Played

0

Win

Age

5'9" (175 cm)

Height

6'0" (183 cm)

898

C. Rank

562

134

Best Rank

483

Total Titles

YTD Titles

$335.9K

Career Money

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)

Stats

Steven Diez

Justin Boulais

S. Diez vs J. Boulais H2H Profile

S. Diez	Stats	J. Boulais
$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 37.93% 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 44.44% of their opponent's second serve points, while Justin Boulais has won 47.24%. The same stats for first serve returns are 28.33% 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 55.56% 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 346.4 while Justin Boulais has played against players with an average rank of 326.09.
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 16.67% 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

S. Diez	Stats	J. Boulais
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

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	Stats
M25 Vic - 12-05-2025
QF Lorenzo GiustinoL. Giustino	L	6-1 2-1 ret.	Stats
R2 Andres Santamarta RoigA. Santamarta	W	6-3 7-5	Stats
R1 Michiel De KromM. De	W	6-1 ret.	Stats
M25 Sabadell - 28-04-2025
R1 Sekou BangouraS. Bangoura	L	4-6 7-6(4) 6-1	Stats

View All

J. Boulais Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Drummondville Challenger - 10-11-2025
R1 Tristan MccormickT. Mccormick	L	6-4 6-0	Stats
Charlottesville Challenger - 27-10-2025
R1 Cannon KingsleyC. Kingsley	L	6-3 6-3	Stats
Q3 Arda AzkaraA. Azkara	W	6-2 6-4	Stats
Q1 Trevor SvajdaT. Svajda	W	6-4 6-4	Stats
Sioux Falls Challenger - 20-10-2025
R1 Mats RosenkranzM. Rosenkranz	L	6-1 6-4	Stats

View All

S. Diez vs J. Boulais Stats Breakdown Vs All H2H Opponents

S. Diez	Stats	J. Boulais
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
576.83	Average Opponent Rank	455.36
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)