[2] He then competed on the 2015 Nike Global Challenge for the East team, where he averaged 22 points, 12 rebounds and four assists in addition to earning tournament MVP honors.

[6] In January 2016, Monk played in the 2016 McDonald's All-American Game and Jordan Brand Classic where he earned Co-MVP honors alongside former Kentucky teammate and NBA player De'Aaron Fox.

[7][8] Monk was a consensus five-star prospect and considered as one of the best players in the 2016 class by the four main recruiting services: Rivals, ESPN, Scout and 247Sports.

[5] On December 17, 2016, Monk set a University of Kentucky freshman scoring record with 47 points in a win over North Carolina.

[22] At the conclusion of his freshman season, Monk announced that he would forgo his final three years of collegiate eligibility and enter the 2017 NBA draft where he was projected as a first-round selection.

On November 1, 2017, with Kentucky coach John Calipari on hand,[26] Monk scored 25 points in a 126–121 victory against the Milwaukee Bucks.

[33] On July 6, 2022, Monk signed a two-year, $19 million contract with the Sacramento Kings reuniting with his former college teammate De'Aaron Fox.

[34][35] On February 24, 2023, Monk scored a career-high 45 points in a 176–175 double-overtime win over the Los Angeles Clippers, the second-highest-scoring game in NBA history.

[36] In game 1 of the Kings' first-round playoff series against the Golden State Warriors, Monk scored 32 points on perfect 14-of-14 shooting from the free throw line in a 126–123 win.