The 2020 Canberra Challenger was a professional tennis tournament that was played on outdoor hard courts. It was the fifth edition of the tournament which was a part of the 2020 ATP Challenger Tour. It took place in Bendigo, Australia between 6 and 12 January 2020. The tournament was relocated to Bendigo due to the hazardous air quality in Canberra from the 2019–20 Australian bushfire season.[1]
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 France | Ugo Humbert | 57 | 1 | |
 Italy | Andreas Seppi | 72 | 2 | |
| Italy | Jannik Sinner | 78 | 3 | |
| Philipp Kohlschreiber | 79 | 4 | ||
| Steve Johnson | 85 | 5 | ||
 Spain | Jaume Munar | 86 | 6 | |
 Korea, Republic of | Kwon Soon-woo | 88 | 7 | |
| Dominik Koepfer | 94 | 8 | ||
| Marcos Giron | 102 | 9 | ||
| Henri Laaksonen | 104 | 10 | ||
 Canada | Brayden Schnur | 106 | 11 | |
 Slovakia | Norbert Gombos | 109 | 12 | |
 Japan | Taro Daniel | 110 | 13 | |
 Russian Federation | Evgeny Donskoy | 112 | 14 | |
| Denis Kudla | 113 | 15 | ||
| Peter Gojowczyk | 117 | 16 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
See main article: 2020 Canberra Challenger – Singles.
Emil Ruusuvuori 7–6(7–5), 4–6, 6–3.See main article: 2020 Canberra Challenger – Doubles.
Max Purcell / Luke Saville def. 
Jonathan Erlich / 
Andrei Vasilevski 7–6(7–3), 7–6(7–3).
