Adolfo Daniel Vallejo vs Alvaro Guillen Meza: Head-to-Head Record
Adolfo Daniel VallejoParaguayHead-to-head
Alvaro Guillen MezaEcuadorAM4–1
Vallejo leads · 5 meetingsClay4–1
Vallejo leads
Clay4–1
Adolfo Daniel Vallejo and Alvaro Guillen Meza have met 5 times on the professional tour. Adolfo Daniel Vallejo leads the head-to-head 4–1. Their most recent meeting came at Guayaquil CH in 2025.
How the two players compare today
Adolfo Daniel Vallejo vs Alvaro Guillen Meza stats comparison
TodayVallejoGuillen Meza
#52Official rank#332
1,880Elo1,658
6–4Last 101–9
15Serve—
70Return—
53Clutch19
Adolfo Daniel Vallejo vs Alvaro Guillen Meza stats comparison
#52Official rank#332
1,880Elo1,658
6–4Last 101–9
15Serve—
70Return—
53Clutch19
Current form
Last 10 · most recent firstVallejo6–4Streak W1
WLWWWWLWLL
Guillen Meza1–9Streak L6
LLLLLLWLLL
Current form
Last 10 · newest first6–4Last 101–9
W1StreakL6
Vallejo
WLWWWWLWLL
Guillen Meza
LLLLLLWLLL
Surface comparison
VallejoGuillen Meza
1,880Elo1,658
72%Win % · 12M45%
61–24W–L · 12M24–29
4H2H1
Surface comparison
1,880Elo1,658
72%Win % · 12M45%
61–24W–L · 12M24–29
4H2H1
Serve vs return
Umpiry ratings · 12MVallejo serve15vsGuillen Meza return—
Guillen Meza serve—vsVallejo return70
Not enough recent matches for Guillen Meza’s Serve and Return ratings yet.
Serve vs return
Ratings · 12MVallejo serve15vsGuillen Meza return—
Guillen Meza serve—vsVallejo return70
Not enough recent matches for Guillen Meza’s Serve and Return ratings yet.
Clutch
Last 12 monthsVallejoGuillen Meza
59%210 / 356Break points saved52%151 / 290
35%6–11Tiebreaks won44%7–9
68%17–8Deciding sets won55%11–9
Clutch
Last 12 months59%210 / 356Break points saved52%151 / 290
35%6–11Tiebreaks won44%7–9
68%17–8Deciding sets won55%11–9
Freshness
Vallejo · Guillen MezaLast match
todayShanghai Masters · R128vs19 days agoDavis Cup · RB2
Matches · last 30 days
8vs1
Sets · last 14 days
16vs0
Freshness
todayShanghai Masters · R128Last match19 days agoDavis Cup · RB2
8Matches · last 30 days1
16Sets · last 14 days0
Common opponents
0 common opponents · last 12 monthsNo common opponents in the last 12 months.
Common opponents
0 common opponents · last 12 monthsNo common opponents in the last 12 months.
All 5 meetings
Last 5 of 5All 5 meetings
Last 5 of 5Career titles00
Grand Slam titles00
Career-high rank#52—
Career W–L117–9092–95
Age2223
Height183 cm175 cm
PlaysRight-handedRight-handed
BackhandTwo-handedTwo-handed
CountryParaguayEcuador
Turned pro2023—
Career titles00
Grand Slam titles00
Career-high rank#52—
Career W–L117–9092–95
Age2223
Height183 cm175 cm
PlaysRight-handedRight-handed
BackhandTwo-handedTwo-handed
CountryParaguayEcuador
Turned pro2023—
Vallejo leads 4–1
5 meetingsDateTournamentRoundSurfaceWinnerScore
2025Vallejo 3–0
17 Nov 2025Guayaquil CHChallengerSemi-finalClayVallejo d. Guillen Meza4–6 6–2 6–310 Nov 2025Montevideo CHChallengerRound of 16ClayVallejo d. Guillen Meza2–6 6–3 6–413 Jan 2025Buenos Aires Tigre CHChallengerSemi-finalClayVallejo d. Guillen Meza7–5 6–25 meetings · Vallejo 4–1Walkovers are not counted
Vallejo leads 4–1
5 meetings5 meetings
2025Vallejo 3–0
Guayaquil CH · Semi-final17 Nov 2025Vallejo d. Guillen Meza4–6 6–2 6–3Clay·ChallengerMontevideo CH · Round of 1610 Nov 2025Vallejo d. Guillen Meza2–6 6–3 6–4Clay·ChallengerBuenos Aires Tigre CH · Semi-final13 Jan 2025Vallejo d. Guillen Meza7–5 6–2Clay·Challenger2024Vallejo 1–0
M25 Punta del Este 1 · Quarter-final9 Feb 2024Vallejo d. Guillen Meza1–6 6–2 6–1Clay·ITF M252023Vallejo 0–1
Montevideo CH · Qualifying R113 Nov 2023Guillen Meza d. Vallejo3–6 6–4 7–6Clay·ChallengerMore on Umpiry · about this comparison
Frequently asked
Who leads the head-to-head between Adolfo Daniel Vallejo and Alvaro Guillen Meza?
Adolfo Daniel Vallejo leads the head-to-head against Alvaro Guillen Meza 4–1 after 5 meetings.
How many times have Adolfo Daniel Vallejo and Alvaro Guillen Meza played each other?
Adolfo Daniel Vallejo and Alvaro Guillen Meza have played each other 5 times on the professional tour.
When did Adolfo Daniel Vallejo and Alvaro Guillen Meza last play each other?
Their most recent meeting came at Guayaquil CH in 2025, where Adolfo Daniel Vallejo won.
How is the head-to-head record counted?
Every completed singles match between the two players counts once: tour level, Grand Slams, Challengers, ITF, team events and qualifying. Retirements count; walkovers do not.
What are the Serve, Return and Clutch ratings?
Umpiry ratings from 0 to 100: where a player ranks on tour over the last 52 weeks, adjusted for opponent strength. Clutch combines break points saved and converted, tiebreaks and deciding sets. A player with too few recent matches has no rating yet.
Why is there no win probability here?
This page compares the two players. The chance to win a specific match, with its surface, round and conditions, is on that match’s detail page.