Bolt returned from a 9-month hiatus in January 2017 to qualify for the Happy Valley Challenger. Bolt said; “This is my first tournament since March so it’s good to be back. I’m loving playing tennis again. It’s great fun and hopefully this run continues. ” Bolt defeated Tatsuma Ito before losing to Omar Jasika in round 2. Bolt then qualified for the 2017 Australian Open, defeating Marius Copil, Matthias Bachinger and Julien Benneteau. This was Bolt's grand slam single debut. He lost to Yoshihito Nishioka in round 1. In Doubles, Bolt paired with Bradley Mousley where he reached the quarter finals for the second time. Bolt reached the quarterfinals of both the Burnie International and Launceston International, but reached the finals in the Launceston doubles with Andrew Whittington. In February, Bolt travelled to Asia but failed to qualify for any Challenger events in singles, before returning to the futures tour in Australia. In May, Bolt travelled to Europe, where he qualified for and made the final of the Ilkley Trophy, losing to Marton Fucsovics in straight sets. This was Bolt's first appearance in a Challenger final for two years. With the result, his ranking jumped from 438 to 306 in the world. In October, Bolt made his second Challenger tour final of the season at Traralgon where he lost to fellow Aussie Jason Kubler in three tight sets.