Prediction of Guillermo Olaso vs Jae-Sung An Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
G. Olaso vs J. An

Guillermo Olaso

ESP

1

Win

Played

0

Win

Age

5'9" (175 cm)

Height

461

C. Rank

Ret.

167

Best Rank

289

Total Titles

YTD Titles

$67.6K

Career Money

$565

Right-Handed

Plays

Jae-Sung An

KOR

1

Win

Played

0

Win

Age

5'9" (175 cm)

Height

461

C. Rank

Ret.

167

Best Rank

289

Total Titles

YTD Titles

$67.6K

Career Money

$565

Right-Handed

Plays

Head-to-head: Olaso 1 - 0 An

They have played 2 sets in total, with Guillermo Olaso winning 2 and Jae-Sung An winning 0. The last match between Guillermo Olaso and Jae-Sung An was at the Wuhai Challenger, 26-07-2011, Round: R1, Surface: Hard, with Guillermo Olaso getting the victory 6-2 6-2.

Players	Head To Head Match Wins
Olaso	1
An	0

Last 1 H2H Matches:

(R1) Wuhai Challenger(07-26-11)

Stats

Guillermo Olaso

Jae-Sung An

G. Olaso vs J. An H2H Profile

G. Olaso	Stats	J. An
$67,573	Career Prize Money	$565
61.09% (427-272)	Career Total W/L	55.70% (166-132)
1	Hard	0
12	Titles	3
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

G. Olaso vs J. An Match Preview:

Second serve performance recent form: In recent form (last 6 months), Guillermo Olaso has won 29.79% of points on their second serve, while Jae-Sung An has won 0%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Guillermo Olaso, in recent form, has won 33.33% of their opponent's second serve points, while Jae-Sung An has won 0%. The same stats for first serve returns are 31.94% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Guillermo Olaso has saved 40.00% of breakpoints in recent form, whereas Jae-Sung An has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Guillermo Olaso has won 66.67% of matches played (W/L 2/1), with Jae-Sung An winning 0% (W/L 0/0) that gives us an overall head-to head prediction overview.
Best surface: Guillermo Olaso has their best career surface win % on I.hard, winning 61% (W/L 22/14), and worse career win % on Grass, winning 40% (W/L 2/3). Jae-Sung An has their best career surface win % on I.hard, winning 61% (W/L 7/5), and worse career win % on Hard, winning 55% (W/L 139/112).
Player level: In the last year, Guillermo Olaso has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 66.67% of matches (W/L 2/1), where as Jae-Sung An has played most of their matches on the N/A, winning 0% of matches (W/L 0/0). 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 Guillermo Olaso winning 1 times and Jae-Sung An being victorious 0 times. They have played 2 sets in total, with Guillermo Olaso winning 2 and Jae-Sung An winning 0.
The last match between Guillermo Olaso and Jae-Sung An was at the Wuhai Challenger, 26-07-2011, Round: R1, Surface: Hard, with Guillermo Olaso getting the victory 6-2 6-2.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:15:2.
Opponent quality stats: Over the last 12 months, Guillermo Olaso has played against opponents with an average rank of 137.33 while Jae-Sung An has played against players with an average rank of 0.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Guillermo Olaso has won 0% of deciding sets over the last 12 months, while Jae-Sung An has won 0% in all matches played on tour.
Break point conversion: In recent form, Guillermo Olaso has converted 100.00% of breakpoint opportunities, and Jae-Sung An has converted 0% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Guillermo Olaso vs Jae-Sung An Editorial Preview By TennisTipster88.

G. Olaso vs J. An H2H Stats Used In Our Predictions

G. Olaso	Stats	J. An
1	H2H Matches Won	0
2	Sets Won	0
12	Games Won	4
3	Aces (Total)	2
3	Total Double Faults	3
1:15:2	Average Match Time	1:15:2
60% (37/62)	1st Serve %	59% (35/59)
65% (24/37)	1st Serve Win %	51% (18/35)
56% (14/25)	2nd Serve Win %	38% (9/24)
56% (5/9)	Break Pts Won %	17% (1/6)
54% (32/59)	Return Points Win %	39% (24/62)
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

G. Olaso Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
M15 Singapore - 04-08-2025
R1 Kasidit SamrejK. Samrej	L	6-3 6-4	Stats
Q3 Keerthivassan SureshK. Suresh	W	6-1 6-0	Stats
Q1 Andras NeczA. Necz	W	6-2 6-2	Stats
M15 Singapore - 09-09-2024
QF Sanhui ShinS. Shin	L	6-2 6-2	Stats
R2 Leo VithoontienL. Vithoontien	W	6-2 0-6 6-4	Stats

View All

J. An Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Korea F5 - 03-06-2013
R1 Sang-Woo NohS. Noh	L	3-0 ret.	Stats
Korea F4 - 27-05-2013
Q2 Hwi KimH. Kim	W	6-0 3-6 6-2	Stats
R1 Enrique Lopez-PerezE. Lopez-Perez	L	6-4 2-1 ret.	Stats
Q3 Seong-Woon YuS. Yu	W	6-1 6-0	Stats
Q1 Lee JoohongL. Joohong	W	6-3 6-4	Stats

View All

G. Olaso vs J. An Stats Breakdown Vs All H2H Opponents

G. Olaso	Stats	J. An
61.09% (427/272)	YTD Win/Loss	55.70% (166/132)
58.27% (948/679)	Sets Win/Loss	54.41% (358/300)
52.96% (7970/7079)	Games Win/Loss	52.20% (3147/2882)
61.29% (76/48)	Hard Win/Loss	55.38% (139/112)
61.24% (327/207)	Clay Win/Loss	56.25% (9/7)
61.11% (22/14)	Indoor Hard W/L	58.06% (18/13)
40.00% (2/3)	Grass Win/Loss	0% (0/0)
0.07	Aces Per Game	0
541	Aces Total	3
0.09	Double Faults Per Game	0
635	Total Double Faults	9
1st Match	Average Match Time	1st Match
578.14	Average Opponent Rank	479.53
54% (7588/14060)	1st Serve %	56% (55/99)
67% (5096/7588)	1st Serve Win %	49% (27/55)
50% (3204/6472)	2nd Serve Win %	36% (16/44)
44% (621/1424)	Break Points Won % (Total)	17% (1/6)
40% (5600/13946)	Return Points Win %	34% (31/91)
40.00% (6/9)	Slam W/L	0% (0/0)
0% (0/0)	Cups W/L	60.00% (3/2)
51.61% (16/15)	Main Tour W/L	33.33% (1/2)
49.31% (107/110)	Challenger W/L	47.46% (28/31)
68.35% (298/138)	Futures W/L	58.01% (134/97)
62% (422/683)	Best of 3 Sets Win %	56% (160/285)
43% (3/7)	Best of 5 Sets Win %	80% (4/5)
54% (106/196)	Tiebreaks Win % (Total)	43% (27/63)
60% (139/232)	Deciding Set Win %	57% (38/67)
87% (416/362)	1st Set Won, Won Match	88% (159/140)
13% (416/52)	1st Set Won, Lost Match	12% (159/19)
23% (283/65)	1st Set Lost, Won Match	18% (138/25)