Honors & Awards
- All-Big Ten First Team (2024)
- Big Ten Individuals Singles Champion (2023)
- Runner-up at Pacific Coast Doubles Championship (2023)
- Big Ten Athlete of the Week (April 12, 2022, Jan. 24, 2024, April 24, 2024)
- CSC Academic All-District (2023)
- Arthur Ashe Jr. Sports Scholar Award (2023)
- Academic All-Big Ten (2023)
- Nebraska Scholar-Athlete Honor Roll (Fall 2021, 2022, 2023)
- Tom Osborne Citizenship Team (2022, 2023, 2024)
- ITA Scholar-Athlete (2023)
2023-24: Junior
Calvin Mueller had an outstanding and decorated junior season, reaching 27 singles wins and being named to the All-Big Ten First Team. Mueller was named Big Ten Player of the Week twice in the season (Jan. 24, 2024, April 24, 2024), the only 2023-24 Husker to do so. The international business administration major was ranked No. 71 on May 2, the highest Husker ranking since 2012, with records of 27-12 in singles and 18-12 in doubles. Mueller tallied six ranked-upset wins against conference opponents, most notably taking down #34 Ronald Hohman, #28 Justin Boulais and #42 Hunter Heck. Mueller’s victory over Illinois’ Heck helped push the Big Red to defeat #26 Illinois in the Big Ten Quarterfinals, advancing to the semifinals for the first time in program history. His 27 singles wins notch Mueller at No. 5 in program history for top singles wins in a season, passing Toby Boyer (26). Mueller reached 40 career doubles wins with an 18-12 record and accrued over half of his 49 career singles wins in the 2023-24 season. Mueller was also named to the All-Big Ten Tournament Team after the Huskers reached the semifinals for the first time in program history.
In the fall, Mueller and sophomore Leo Linquet finished second in doubles play at the ITA Milwaukee Tennis Classic. To conclude the individual season, Mueller went on a 5-0 run at the Big Ten Indoor Championships, to claim the 2023 Big Ten Individual Singles Champion title, being the first and only Husker to do so.
Off the court, Mueller was named to the 2024 Tom Osborne Citizenship Team.
2022-23: Sophomore
Calvin Mueller had his best collegiate season to date, setting a career high in singles wins (12) and doubles wins (14). In singles, Mueller finished 7-6 in spring play with a 4-2 Big Ten record. Mueller found himself all over the lineup card, lodging matches in every spot except No. 1. Mueller’s 13-7 doubles record in the spring was highlighted by impressive run in the Pacific Coast Doubles Championship in March, where partnered with William Gleason, winning their first six matches before dropping the championship match.
Off the court, Mueller was named to the 2023 Tom Osborne Citizenship Team.
2021-22: Freshman
A strong freshman campaign by Mueller, saw him reach double-digit wins after competing primarily in the No. 2 spot. On the season, he garnered 18 total wins on the year as he quickly found a spot in the lineup as a freshman. In the spring, Mueller tallied four wins, including a pair of consecutive victories against ranked-conference opponents (Illinois and Northwestern) to earn Big Ten Athlete of the Week on April 12. Alongside William Gleason in doubles play, the duo posted a perfect 4-0 record in conference play at the No. 3 slot. They were the only team to finish the spring season with an unblemished record, notching wins over Illinois, Northwestern, Purdue and Penn State.
Before Nebraska
Calvin Mueller came to Nebraska from Germany where he had an U18 top-10 German national ranking and has reached as high as No. 105 in the men's German rankings. In 2019, Calvin and his teammate reached the semifinals in the ITF Futures tournament.
Personal
The son of Heike Mueller-Resler and Harald Mueller, Calvin was born June 20, 2000. Calvin is majoring in international business administration and earned Academic All-Big Ten honors in 2023. A College Sports Communicators Academic All-District selection, he was also an Arthur Ashe Jr. Sports Scholar in 2023. He claimed spots on the Nebraska Scholar-Athlete Honor Roll in the fall semesters of 2021 and 2022. He is a two-time member of the Tom Osborne Citizenship Team.
Singles
| Year | Spring | Big Ten | Fall | Total |
| 2021-22 | 4-12 | 2-4 | 6-5 | 10-17 |
| 2022-23 | 7-6 | 4-2 | 5-3 | 12-9 |
| 2023-24 | 17-9 | 7-2 | 10-3 | 27-12 |
| Totals | 28-27 | 13-8 | 21-11 | 49-38 |
Doubles
| Year | Spring | Big Ten | Fall | Total |
| 2021-22 | 6-8 | 3-4 | 2-1 | 8-9 |
| 2022-23 | 13-7 | 2-5 | 1-2 | 14-9 |
| 2023-24 | 12-8 | 1-4 | 6-4 | 18-12 |
| Totals | 31-23 | 6-13 | 9-7 | 40-30 |