Prediction of Lorraine M. Guillermo vs Kayla Day Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
L. M. Guillermo vs K. Day

Lorraine M. Guillermo

USA

1

Win

Played

2

Win

Age

Height

1.73m

Ret.

C. Rank

259

499

Best Rank

Total Titles

YTD Titles

Career Money

$561.1K

Plays

Left-handed (Two-handed backhand)

Kayla Day

USA

1

Win

Played

2

Win

Age

Height

1.73m

Ret.

C. Rank

259

499

Best Rank

Total Titles

YTD Titles

Career Money

$561.1K

Plays

Left-handed (Two-handed backhand)

Head-to-head: Guillermo 1 - 2 Day

They have played 6 sets in total, with Lorraine M. Guillermo winning 2 and Kayla Day winning 4. The last match between Kayla Day and Lorraine M. Guillermo was at the W25 Rancho Santa Fe, 19-02-2019, Round: R1, Surface: Hard, with Kayla Day getting the victory 6-1 6-3.

Players	Head To Head Match Wins
Guillermo	1
Day	2

Last 3 H2H Matches:

(R1) W25 Rancho Santa Fe(02-19-19)

Stats

Kayla Day

Lorraine M. Guillermo

(R1) Rancho Santa Fe(02-21-18)

Stats

Lorraine M. Guillermo

Kayla Day

(Q1) Surprise(02-15-16)

Stats

Kayla Day

Lorraine M. Guillermo

L. M. Guillermo vs K. Day H2H Profile

L. M. Guillermo	Stats	K. Day
$0	Career Prize Money	$561,063
52.53% (83-75)	Career Total W/L	56.47% (262-202)
1	Hard	2
0	Titles	7
1	Total H2H Matches	2
0% (0-0)	YTD Win/Loss	0% (0-0)

L. M. Guillermo vs K. Day Match Preview:

Second serve performance recent form: In recent form (last 6 months), Lorraine M. Guillermo has won 0% of points on their second serve, while Kayla Day has won 40.89%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Lorraine M. Guillermo, in recent form, has won 0% of their opponent's second serve points, while Kayla Day has won 49.24%. The same stats for first serve returns are 0% and 29.76% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Lorraine M. Guillermo has saved 0% of breakpoints in recent form, whereas Kayla Day has saved 43.47% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Lorraine M. Guillermo has won 0% of matches played (W/L 0/0), with Kayla Day winning 63.27% (W/L 31/18) that gives us an overall head-to head prediction overview.
Best surface: Lorraine M. Guillermo has their best career surface win % on I.hard, winning 60% (W/L 12/8), and worse career win % on Clay, winning 11% (W/L 1/8). Kayla Day has their best career surface win % on Clay, winning 60% (W/L 87/59), and worse career win % on Grass, winning 27% (W/L 3/8).
Player level: In the last year, Lorraine M. Guillermo has played most of their matches on the N/A, winning 0% of matches (W/L 0/0), where as Kayla Day has played most of their matches on the Challengers/ITF tournaments > $10K, winning 64.29% of matches (W/L 27/15). 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 3 times before with Lorraine M. Guillermo winning 1 times and Kayla Day being victorious 2 times. They have played 6 sets in total, with Lorraine M. Guillermo winning 2 and Kayla Day winning 4.
The last match between Lorraine M. Guillermo and Kayla Day was at the W25 Rancho Santa Fe, 19-02-2019, Round: R1, Surface: Hard, with Kayla Day getting the victory 6-1 6-3.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:9:20.
Opponent quality stats: Over the last 12 months, Lorraine M. Guillermo has played against opponents with an average rank of 0 while Kayla Day has played against players with an average rank of 316.92.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Lorraine M. Guillermo has won 0% of deciding sets over the last 12 months, while Kayla Day has won 53% in all matches played on tour.
Break point conversion: In recent form, Lorraine M. Guillermo has converted 0% of breakpoint opportunities, and Kayla Day has converted 34.48% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Lorraine M. Guillermo vs Kayla Day Editorial Preview By TennisTipster88.

L. M. Guillermo vs K. Day H2H Stats Used In Our Predictions

L. M. Guillermo	Stats	K. Day
1	H2H Matches Won	2
2	Sets Won	4
25	Games Won	34
1	Aces (Total)	4
2	Total Double Faults	11
1:9:20	Average Match Time	1:9:20
76% (104/136)	1st Serve %	62% (75/121)
54% (56/104)	1st Serve Win %	71% (53/75)
56% (18/32)	2nd Serve Win %	46% (21/46)
50% (3/6)	Break Pts Won %	38% (6/16)
39% (47/121)	Return Points Win %	46% (62/136)
33% (1/3)	Best‑of‑3 Win %	67% (2/3)
100% (1/1)	1st Set Won, Won Match	100% (2/2)
0% (0/1)	1st Set Won, Lost Match	0% (0/2)
0% (0/2)	1st Set Lost, Won Match	0% (0/1)

Recent Performance Stats

L. M. Guillermo Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
All Lower level tournaments - 01-06-2020
R1 Shatoo MohamadS. Mohamad	W	6-0 6-3	Stats
R1 Elvina KalievaE. Kalieva	L	6-2 6-3	Stats
R1 Jwany SherifJ. Sherif	W	6-3 6-1	Stats
R1 Anastasia NefedovaA. Nefedova	L	6-3 6-0	Stats
R1 Barbara BonicB. Bonic	L	6-4 0-6 10-8	Stats

View All

K. Day Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W50 Austin - 10-11-2025
QF Ekaterina KhayrutdinovaE. Khayrutdinova	L	6-4 6-4	Stats
R2 Gina FeistelG. Feistel	W	6-4 3-6 7-5	Stats
R1 Carolyn AnsariC. Ansari	W	6-2 6-3	Stats
W75 Toronto - 27-10-2025
R1 Fiona CrawleyF. Crawley	L	6-1 6-2	Stats
W100 Tyler - 20-10-2025
QF Olivia GadeckiO. Gadecki	L	7-6(4) 3-6 6-3	Stats

View All

L. M. Guillermo vs K. Day Stats Breakdown Vs All H2H Opponents

L. M. Guillermo	Stats	K. Day
52.53% (83/75)	YTD Win/Loss	56.47% (262/202)
52.92% (190/169)	Sets Win/Loss	55.48% (597/479)
52.57% (1720/1552)	Games Win/Loss	52.37% (5217/4745)
54.26% (70/59)	Hard Win/Loss	56.64% (162/124)
11.11% (1/8)	Clay Win/Loss	59.59% (87/59)
60.00% (12/8)	Indoor Hard W/L	47.62% (10/11)
0% (0/0)	Grass Win/Loss	27.27% (3/8)
0.07	Aces Per Game	0.22
107	Aces Total	1096
0.11	Double Faults Per Game	0.36
182	Total Double Faults	1749
1:2:5	Average Match Time	1:35:22
585.5	Average Opponent Rank	454.76
69% (4203/6124)	1st Serve %	60% (16889/28136)
60% (2503/4203)	1st Serve Win %	65% (10965/16889)
47% (894/1921)	2nd Serve Win %	46% (5156/11246)
47% (376/803)	Break Points Won % (Total)	46% (1616/3499)
46% (2886/6268)	Return Points Win %	44% (12910/29070)
0% (0/0)	Slam W/L	40.63% (13/19)
0% (0/0)	Masters W/L	42.11% (8/11)
0% (0/0)	Main Tour W/L	37.21% (16/27)
49.14% (57/59)	Challenger W/L	60.50% (219/143)
61.90% (26/16)	Futures W/L	75.00% (6/2)
52% (82/157)	Best of 3 Sets Win %	57% (258/455)
100% (1/1)	Best of 5 Sets Win %	75% (3/4)
36% (10/28)	Tiebreaks Win % (Total)	48% (47/98)
43% (18/42)	Deciding Set Win %	51% (76/149)
87% (84/73)	1st Set Won, Won Match	84% (270/227)
13% (84/11)	1st Set Won, Lost Match	16% (270/43)
14% (74/10)	1st Set Lost, Won Match	18% (194/34)