Johannus Monday

Monday was born in Kingston upon Hull, and brought up in nearby Cottingham. He began playing tennis at the age of four years-old. He attended St Mary's College and, from 2015, boarded at Merchiston Castle School in Edinburgh.^[3]

In 2020 he began studying political science at the University of Tennessee on a tennis scholarship.^[4][5][3] Whilst competing on the college circuit he became the number one ranked NCAA player.^[6]

After winning the title of the men's doubles of the Nottingham Open alongside Jacob Fearnley,^[7] the pair received wildcards for the 2023 Wimbledon Championships.^[8] He was also given a wildcard into the men's qualifying singles and beat Mili Poljicak before pushing the experienced Radu Albot to three sets.^[9] In the doubles, he and Fearnley beat Andre Goransson and Ben McLachlan in the opening round before losing to Matthew Ebden and Rohan Bopanna.^[10]

He won three consecutive singles titles on the ITF tennis tour in October 2024.^[6] His haul included the singles and doubles titles at the M25 Louisville, a singles victory in Norman, Oklahoma, and a singles victory in Harlingen, Texas.^[11][12][13]

He began 2025 with another title at that level in Sunderland before adding a fifth in six months in Bakersfield, United States in March 2025, defeating American Alex Rybakov in the final in straight sets to seal the title.^[6]

In June 2025, Monday was awarded a wildcard to make his major tournament main-draw singles debut at Wimbledon,^[14] where he lost to 13th seed Tommy Paul in the first round.^[15]

In September 2025, Monday combined with Patrick Harper to win the doubles title at the Columbus Challenger, defeating George Goldhoff and Theodore Winegar in the final.^[16]