Gabriel Diallo and Daniel Altmaier will play each other in the 1^st round of Wimbledon for the 3^rd time in their career. They are scheduled to play on Monday at 6:00 pm on Court 8. In the following lines you can find the head to head analysis and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Gabriel Diallo who should win in 4 sets.

As per the initial odds, Gabriel Diallo is the pick to win this match.
Gabriel Diallo -> 1.3
Daniel Altmaier -> 3.52

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Prediction and head to head Gabriel Diallo vs. Daniel Altmaier

This will be the 3^rd time that Gabriel Diallo and Daniel Altmaier fight against each other. The head to head is 2-0 for Altmaier (see full H2H stats), but they have never played each other on grass.

The last time that they played each other, Altmaier won 7-6(5) 6-4 in the Rubber 1 in 0 back in 2024.

Gabriel Diallo

Ranked no. 41 (career-high), Diallo will start his run in Wimbledon after he played his last match in Mallorca where he lost 6-4 6-4 to Griekspoor in the quarter on the 26^th of June.

Gabriel has a composed 27-18 win-loss record in 2025, 8-2 on grass (See FULL STATS).

His best result of the current season was winning the title in Hertogenbosch where he overcame Zizou Bergs in the final 7-5 7-6(8).

Talking about his overall career, The Canadian has an overall 160-94 record. He has a positive 16-11 record on grass.

Previously in Wimbledon

Previously, his best result was reaching the qualifications in 2023 and 2024. See his history.

Daniel Altmaier

Ranked no. 59, Daniel will start his run in London after he played his last match in Mallorca where he lost 7-6(3) 7-6(3) to Moutet in the 2^nd round on the 25^th of June.

The German has an overall 24-22 win-loss record in 2025, 1-2 on grass (See FULL STATS).

Daniel’s best result of the current year was getting to the semifinal in the Turin Challenger.

In terms of his career, The German has an overall 414-277 record. He has a negative 9-16 record on grass.

Previously in Wimbledon

Previously, his best result was reaching the 2^nd round in 2024. See his history.

Tennis Scores – Wimbledon

• Chris RodeschRodesch – Marton FucsovicsFucsovics (6-3 6-4 0-6 7-6⁴) – See score progression
• James McCabeMcCabe – Tomas Barrios VeraBarrios Vera (4-6 6-3 7-6⁵ 7-6⁷) – See score progression
• Nicolas JarryJarry – Lukas KleinKlein (6-4 6-2 6-4) – See score progression
• August HolmgrenHolmgren – Yosuke WatanukiWatanuki (6-4 6-7² 3-6 7-6¹¹ 7-6⁷) – See score progression
• Alex BoltBolt – Martin LandaluceLandaluce (6-1 6-2 6-4) – See score progression
• Jaime FariaFaria – Kyrian JacquetJacquet (7-5 4-6 6-3 6-2) – See score progression
• Valentin RoyerRoyer – Titouan DroguetDroguet (6-3 6-4 6-2) – See score progression
• Adrian MannarinoMannarino – Li TuTu (3-6 6-3 6-4 6-4) – See score progression
• Nikoloz BasilashviliBasilashvili – Juan Pablo FicovichPablo Ficovich (1-6 7-5 6-2 6-1) – See score progression
• Shintaro MochizukiMochizuki – Dominic StrickerStricker (7-6³ 3-6 6-2 6-4) – See score progression
• Filip MisolicMisolic – Benjamin HassanHassan (2-6 7-6⁶ 7-6⁵ 6-3) – See score progression
• Leandro RiediRiedi – Hamish StewartStewart (6-3 4-6 6-3 6-4) – See score progression
• Oliver TarvetTarvet – Alexander BlockxBlockx (6-3 3-6 6-2 6-1) – See score progression
• Giulio ZeppieriZeppieri – Cristian GarinGarin (1-6 6-2 6-4 5-7 7-5) – See score progression
• Arthur CazauxCazaux – Dusan LajovicLajovic (6-7⁶ 6-2 6-3 6-4) – See score progression
• Beibit ZhukayevZhukayev – Luka PavlovicPavlovic (3-6 6-3 6-2 7-6⁵) – See score progression

Upcoming matches in the draw

• Fabio FogniniFognini – Carlos Alcaraz GarfiaAlcaraz Garfia (0-2) – H2H and prediction
• Gael MonfilsMonfils – Ugo HumbertHumbert (2-3) – H2H and prediction
• Adrian MannarinoMannarino – Christopher O ConnellO Connell (2-0) – H2H and prediction
• Daniel EvansEvans – Jay ClarkeClarke (0-0) – H2H and prediction
• Grigor DimitrovDimitrov – Yoshihito NishiokaNishioka (3-0) – H2H and prediction
• Damir DzumhurDzumhur – Tomas MachacMachac (0-1) – H2H and prediction
• Jan-Lennard StruffStruff – Filip MisolicMisolic (0-0) – H2H and prediction
• Pablo Carreno-BustaCarreno-Busta – Chris RodeschRodesch (0-0) – H2H and prediction
• Nikoloz BasilashviliBasilashvili – Lorenzo MusettiMusetti (1-1) – H2H and prediction
• Mackenzie McdonaldMcdonald – Karen KhachanovKhachanov (0-5) – H2H and prediction
• Marcos GironGiron – Camilo Ugo CarabelliUgo Carabelli (0-0) – H2H and prediction
• Quentin HalysHalys – August HolmgrenHolmgren (0-0) – H2H and prediction
• Pedro Martinez PorteroMartinez Portero – George LoffhagenLoffhagen (0-0) – H2H and prediction
• Sebastian OfnerOfner – (0-0) – H2H and prediction
• Cameron NorrieNorrie – Roberto Bautista AgutBautista Agut (3-0) – H2H and prediction
• Alexandre MullerMuller – Novak DjokovicDjokovic (0-1) – H2H and prediction
• Arthur RinderknechRinderknech – Alexander ZverevZverev (0-0) – H2H and prediction
• Benjamin BonziBonzi – Daniil MedvedevMedvedev (1-1) – H2H and prediction
• Billy HarrisHarris – Dusan LajovicLajovic (0-0) – H2H and prediction
• Andrey RublevRublev – Laslo DjereDjere (5-1) – H2H and prediction
• Matteo BerrettiniBerrettini – Kamil MajchrzakMajchrzak (0-0) – H2H and prediction
• Taylor Harry FritzHarry Fritz – (0-0) – H2H and prediction
• Jaume Antoni Munar ClarAntoni Munar Clar – Alexander BublikBublik (0-0) – H2H and prediction
• Alexei PopyrinPopyrin – (1-0) – H2H and prediction
• Tomas Martin EtcheverryMartin Etcheverry – (0-0) – H2H and prediction
• Zizou BergsBergs – Lloyd HarrisHarris (0-1) – H2H and prediction
• Aleksandar KovacevicKovacevic – Marton FucsovicsFucsovics (0-0) – H2H and prediction
• Alex De MinaurDe Minaur – Roberto Carballes BaenaCarballes Baena (3-0) – H2H and prediction
• Felix Auger AliassimeAuger Aliassime – James DuckworthDuckworth (2-1) – H2H and prediction
• Jenson BrooksbyBrooksby – Tallon GriekspoorGriekspoor (0-0) – H2H and prediction
• Vit KoprivaKopriva – Jordan ThompsonThompson (0-0) – H2H and prediction
• Hugo GastonGaston – (0-1) – H2H and prediction
• Jannik SinnerSinner – (0-0) – H2H and prediction
• Chun Hsin TsengHsin Tseng – Aleksandar VukicVukic (0-1) – H2H and prediction
• Brandon HoltHolt – Alejandro Davidovich FokinaDavidovich Fokina (0-1) – H2H and prediction
• Francisco CerundoloCerundolo – Nuno BorgesBorges (1-0) – H2H and prediction
• Brandon NakashimaNakashima – Bu YunchaoketeYunchaokete (0-0) – H2H and prediction
• Rinky HijikataHijikata – David GoffinGoffin (1-2) – H2H and prediction
• Jesper De JongDe Jong – Christopher EubanksEubanks (0-2) – H2H and prediction
• Jiri LeheckaLehecka – Hugo DellienDellien (0-0) – H2H and prediction
• Valentin RoyerRoyer – Stefanos TsitsipasTsitsipas (0-0) – H2H and prediction
• Francisco ComesanaComesana – Corentin MoutetMoutet (0-0) – H2H and prediction
• Jack DraperDraper – Sebastian BaezBaez (2-0) – H2H and prediction
• Alexander ShevchenkoShevchenko – Reilly OpelkaOpelka (0-1) – H2H and prediction
• Mariano NavoneNavone – Denis ShapovalovShapovalov (0-0) – H2H and prediction
• Flavio CobolliCobolli – Beibit ZhukayevZhukayev (0-0) – H2H and prediction
• Jacob FearnleyFearnley – (0-2) – H2H and prediction
• Gabriel DialloDiallo – Daniel AltmaierAltmaier (0-2) – H2H and prediction
• Holger Vitus Nodskov RuneVitus Nodskov Rune – Nicolas JarryJarry (1-0) – H2H and prediction