Marc Jacob KISELEV

25/102026 Palmanova - Calvia, Spain TE BS14 · Round of 32 · 0 W – 1 L Draw

• Round of 32 Akira BONOMI Lost 4-6 6-7

04/102026 Barcelona, Spain TE BS14 · Out in qualifying · 0 W – 1 L Draw

• Qual. Round of 64 Jorge MORENO Walkover

30/082026 Benidorm, Spain TE BS14 · Round of 32 · 1 W – 1 L Draw

• Round of 64 Guillermo AYUSO Won 6-2 6-2
• Round of 32 Aleksandr BONDARENKO Lost 6-7 2-6

22/082026 Klosters, Switzerland TE BS14 · Quarter-final · 2 W – 1 L Draw

• Round of 32 Jiro KONDO Won 6-4 6-0
• Round of 16 Julian VALENTHON Won 6-3 4-6 6-4
• Quarter-final Shams EL OUHICHI Lost 6-7 2-6

15/082026 Nivelles, Belgium TE BS14 · Round of 16 · 1 W – 1 L Draw

• Round of 32 Henri ZAAROUR Won 6-3 6-1
• Round of 16 Giles PEETERS Lost 5-7 6-3 6-7

15/082026 Nivelles, Belgium TE BD14 · Quarter-final · 0 W – 1 L Draw

• Round of 16 Bye
• Quarter-final Samuele BELLORINI / Simon KRESOVIC Lost 4-6 2-6

19/072026 Marnes-La-Coquette, France TE BS14 · Round of 64 · 3 W – 1 L Draw

• Qual. Round of 64 Hector CRUZ Won 5-7 7-6 10-5
• Qual. Round of 32 Michele PIAZZOLLA Won 3-6 6-2 10-8
• Qual. Round of 16 Teo BARTEAU Won 6-2 6-0
• Round of 64 MINGEON CHOI Lost 0-6

05/072026 Montreux, Switzerland TE BS14 · Round of 32 · 0 W – 1 L Draw

• Round of 32 Lenart KADRIU Lost 1-6 3-6

05/072026 Montreux, Switzerland TE BD14 · Round of 16 · 0 W – 1 L Draw

• Round of 16 Lenart KADRIU / Tommaso Nicholas MATTI Lost 1-6 2-6

28/062026 Eindhoven, Netherlands TE BS14 · Round of 16 · 2 W – 1 L Draw

• Qual. Round of 32 Bye
• Qual. Round of 16 Faisal AL-MUTAWA Won 6-3 6-1
• Round of 32 Richard STREET Won 6-7 6-2 7-6
• Round of 16 Thomas VAN FURTH Lost 3-6 2-6

06/062026 Dijon, France TE BS14 · Round of 16 · 3 W – 1 L Draw

• Qual. Round of 32 Mattia PERRA Won 6-0 6-0
• Qual. Round of 16 Yves ENGELHARD Won 6-3 6-2
• Round of 32 Adnan Kerem METE Won 6-7 6-2 6-1
• Round of 16 Milan GERMINARIO-MAS Lost 5-7 4-6

26/042026 Zagreb, Croatia TE BS14 · Round of 64 · 0 W – 1 L Draw

• Round of 64 Lorenzo Emanuel BURATO Lost 6-7 6-2 4-6

07/032026 Jablonec Nad Nisou, Czechia TE BS16 · Round of 32 · 0 W – 1 L Draw

• Qual. Round of 16 Bye
• Round of 32 Mikulas SRSEN Lost 1-6 4-6

14/022026 Birkerød, Denmark TE BS14 · Round of 32 · 0 W – 1 L Draw

• Round of 32 Philip Hartvigsen DIANATI Lost 2-6 5-7

06/122025 Bad Waltersdorf, Austria TE BS16 · Round of 32 · 2 W – 1 L Draw

• Qual. Round of 32 Paul HIERZER Won 6-0 6-3
• Qual. Round of 16 Roko BARUSIC Won 6-1 6-3
• Round of 32 Jannik Rochus EL FILALI Lost 2-6 6-4 2-6

06/122025 Bad Waltersdorf, Austria TE BD16 · Quarter-final · 0 W – 1 L Draw

• Round of 16 Bye
• Quarter-final Jan FIÅ INGER / Val HRIBERSEK Lost 0-6 3-6

01/112025 Aizkraukle, Latvia TE BS16 · Round of 32 · 1 W – 1 L Draw

• Qual. Round of 16 Egert RAAG Won 6-0 6-2
• Round of 32 Markas MAZRIMAS Lost 2-6 7-5 6-7

25/102025 Aizkraukle, Latvia TE BD14 · Round of 16 · 0 W – 1 L Draw

• Round of 16 Hugo Thor TEIV / Hugo VAHUR Walkover

25/102025 Aizkraukle, Latvia TE BS14 · Round of 16 · 1 W – 1 L Draw

• Round of 32 Rodions VOROBJOVS Won 6-1 6-0
• Round of 16 Dominik DEFOE Lost 1-6 2-6