Canadians Denis Shapovalov and Gabriel Diallo were both in action, and both had tough openers. Too tough, it turned out.
As well, some other high profile but unseeded players: Joao Fonseca (who met Diallo), Stefanos Tsitsipas, local Monégasque Valentin Vacherot and wild card Stan Wawrinka.
Doubles specialist Joe Salisbury was back Monday, after taking a mental-health break. But he’ll have to try again for his first win.
(Monte Carlo is six hours ahead of EDT)
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Location: Monte Carlo, Monaco
Category: ATP 1000
Surface: Outdoor Clay
Dates: April 5 – 12, 2026
Prize Money: €6,309,095
Draws: S56 – D28
Monday, April 6, 2026
Final results
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Singles, first round
Canadian content
Joao Fonseca (POR) def Gabriel Diallo (CAN) 62 63
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Upsets
Arthur Rinderknech (FRA) def [12] Karen Khachanov (RUS) 75 62
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Seeds advancing
[10] Flavio Cobolli (ITA) def [Q] Francisco Comesana (ARG) 75 26 63
[11] Jiri Lehecka (CZE) def [Q] Emilio Nava (USA) 76 (1) 67 (8) 62
[13] Andrey Rublev (RUS) def. Nuno Borges (POR) 64 16 61
[16] Francisco Cerundolo (ARG) def Stefanos Tsitsipas (GRE) 75 64
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Other results
Sebastian Baez (ARG) def. [WC] Stan Wawrinka (SUI) 75 75
Zizou Bergs (BEL) def Adrian Mannarino (FRA) 64 63
[Q] Cristian Garin (CHI) def. [LL] Matteo Arnaldi (ITA) 62 64
Tomas Machac (CZE) def. Daniel Altmaier (GER) 64 16 63
Valentin Vacherot (MON) def [Q] Juan Manuel Cerundolo (ARG) 57 62 61
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Doubles, first round
Hugo Nys (MON) / Edouard Roger-Vasselin (FRA) def [7] Francisco Cabral (POR) / Joe Salisbury (GBR) 64 76 (2)
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[WC] Romain Arneodo (MON) / Pierre-Hugues Herbert (FRA) def Maximo Gonzalez / Andres Molteni (ARG) 76 (6) 36 [10-5]
[WC] Matteo Berrettini / Andrea Vavassori (ITA) def Alex de Minaur (AUS) / Cameron Norrie (GBR) 64 46 [10-5]
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