Adnam was born and raised in the Melbourne suburb of Lilydale.[1] He played junior basketball for the Mt. Evelyn Meteors.[2] In 2013, Adnam played in the Victorian Youth Championship (VYC) for the Kilsyth Cobras, a season which culminated in him scoring 37 points in the VYC Grand Final, to lead the Cobras to victory.[3] He subsequently earned VYC All-Star Five honours and was named the league MVP.[4] In 24 games for the Cobras in 2013, he averaged 17.7 points, 5.0 rebounds, 4.1 assists and 1.4 steals per game.[5]
Professional career
NBL
For the 2013–14 NBL season, Adnam joined the Adelaide 36ers as a development player.[3][6][7] He appeared in three games for the 36ers in 2013–14, scoring a total of four points.[8] He continued on as a development player in the 2014–15 NBL season with the Wollongong Hawks.[9] He appeared in six games for the Hawks in 2014–15, scoring a total of eight points.[8]
Adnam was a development player for a third season in 2015–16 with Melbourne United.[2][10] On 12 February 2016, he scored a team-high 16 points in 28 minutes off the bench in a 100–63 loss to the New Zealand Breakers.[11][12] He appeared in eight games for United in 2015–16, averaging 2.3 points per game. Adnam re-joined Melbourne United as a development player for the 2016–17 NBL season.[13] On 4 November 2016, he scored a team-high 19 points off the bench in a 98–92 overtime loss to the Breakers.[14][15] He appeared in 20 games for United in 2016–17, averaging 3.6 points and 1.2 assists per game.
For the 2017–18 NBL season, Adnam was elevated to United's full-time roster.[16][17] On 14 October 2017, he scored a career-high 23 points with six 3-pointers in a 99–79 win over the Adelaide 36ers.[18] He helped United win the 2018 NBL championship and averaged 3.5 points per game in 30 games.[19]
After attending an NBA mini-camp run by the Dallas Mavericks during the 2018 off-season,[20] Adnam joined the Sydney Kings for the 2018–19 NBL season.[21] The Kings finished the regular season in third place with an 18–10 record before losing 2–0 to Melbourne United in the semi-finals, despite Adnam's equal team-high 13 points off the bench in game two.[22] He appeared in all 30 games for the Kings in 2018–19, averaging 6.7 points, 1.1 rebounds and 1.3 assists per game.
For the 2020–21 NBL season, Adnam was named co-captain of the Phoenix and helped them reach the semi-finals. He set another career-best season averaging 12.6 points and 3.6 assists.[24] In March 2021, he scored a then career-high 28 points.[25]
On 22 June 2021, Adnam re-signed with the Phoenix on a two-year deal.[24]
On 1 October 2022, Adnam scored a career-high 30 points in an 84–79 win over the Tasmania JackJumpers.[26]
On 16 January 2024, Adnam signed with the Illawarra Hawks for the rest of the 2023–24 NBL season as an injury replacement for Dan Grida, returning to the franchise for a second stint.[27]
On 7 August 2024, Adnam signed with the Cairns Taipans for the 2024–25 NBL season.[28][29] Two weeks later, he dislocated his kneecap at training and was sidelined for four to six weeks.[30] He returned to action in late September and made his Taipans debut.[31]
Europe
On 6 July 2023, Adnam signed with CSU Sibiu of the Romanian Liga Națională for the 2023–24 season.[32] He parted ways with the team on 2 December 2023.[33] In six league games, he averaged 11.8 points, 1.3 rebounds and 2.5 assists per game. He also played in three FIBA Europe Cup games.[34]
Off-season stints
Adnam played for the Kilsyth Cobras of the SEABL in 2014, 2015 and 2016.[35] He was named SEABL Youth Player of the Year in 2014 and 2015,[36] as well as All-SEABL Team in 2015.[37]
Adnam returned to the Nelson Giants for the 2018 New Zealand NBL season.[46] In 18 games, he averaged 19.2 points, 2.8 rebounds, 5.7 assists and 2.1 steals per game.[47]