In 2023, Krajicek and Dodig achieved the No. 1 spot on the ATP Doubles Rankings, making history as the first player from Texas A&M to hold this position. Their partner, Ivan Dodig, was ranked No. 2 in the world at the time.

Throughout the season, Krajicek and Dodig secured five tournament wins, including a Grand Slam Title at the French Open at Roland Garros. They clinched this victory a year after losing in the Paris title match in 2022.

Krajicek had an impressive performance in doubles during the 2023 season, posting a record of 47-19. He held the No. 1 ranking for 13 weeks, including 10 consecutive weeks at the end of the season. His impressive point total earned him first place on the doubles rankings with a total of 7,130 points. This point disparity is significant as it is currently the largest since the final rankings of 2019.

Krajicek and Dodig were also successful in reaching all five titles at or above ATP 500 levels and even made it to the semifinals of