Here is a list of Rountree Jr.'s best fights. For a list of Rountree Jr.'s losses, refer to "Khalil Rountree Jr. Losses".
On July 16, 2017 Khalil Rountree Jr. faced off against Paul Craig in a light-heavyweight bout at age 27. He was coming in with a record of 6-2 (4), and Craig was 29 years old and with a record of 9-1 (9). Rountree Jr. stopped Paul Craig via KO.
On March 12, 2022 Khalil Rountree Jr. faced off against Karl Roberson in a light-heavyweight bout at age 32. He was coming in with a record of 10-5 (7), and Roberson was 31 years old and with a record of 9-4 (6). Rountree Jr. stopped Karl Roberson via TKO.
On September 4, 2021 Khalil Rountree Jr. faced off against Modestas Bukauskas in a light-heavyweight bout at age 31. He was coming in with a record of 9-5 (6), and Bukauskas was 27 years old and with a record of 11-4 (9). Rountree Jr. stopped Modestas Bukauskas via TKO.
On February 4, 2017 Khalil Rountree Jr. faced off against Daniel Jolly in a light-heavyweight bout at age 26. He was coming in with a record of 5-2 (3). Rountree Jr. stopped Daniel Jolly via KO.
On December 9, 2023 Khalil Rountree Jr. faced off against Anthony Smith in a light-heavyweight bout at age 33. He was coming in with a record of 13-5 (9), and Smith was 35 years old and with a record of 37-18 (34). Rountree Jr. stopped Anthony Smith via TKO.
On August 12, 2023 Khalil Rountree Jr. faced off against Chris Daukaus in a light-heavyweight bout at age 33. He was coming in with a record of 12-5 (8), and Daukaus was 33 years old and with a record of 12-6 (11). Rountree Jr. stopped Chris Daukaus via TKO.
On July 7, 2018 Khalil Rountree Jr. faced off against Gökhan Saki in a light-heavyweight bout at age 28. He was coming in with a record of 7-2 (5). Rountree Jr. stopped Gökhan Saki via TKO.
On April 13, 2019 Khalil Rountree Jr. faced off against Eryk Anders in a light-heavyweight bout at age 29. He was coming in with a record of 8-3 (5), and Anders was 31 years old and with a record of 11-3 (8). Rountree Jr. won the fight via 3-round unanimous decision.
On October 29, 2022 Khalil Rountree Jr. faced off against Dustin Jacoby in a light-heavyweight bout at age 32. He was coming in with a record of 11-5 (7), and Jacoby was 34 years old and with a record of 18-5-1 (12). Rountree Jr. won the fight via 3-round split decision.
On June 21, 2025 Khalil Rountree Jr. faced off against Jamahal Hill in a light-heavyweight bout at age 35. He was coming in with a record of 14-6 (9), and Hill was 34 years old and with a record of 12-3 (7). Rountree Jr. won the fight via 5-round unanimous decision.