[5] He debuted at state representative level for New South Wales in the 2015 youth eight which contested and won the Noel Wilkinson Trophy at the Interstate Regatta within the 2015 Australian Rowing Championships.

[6] At the 2018 Australian Rowing Championships he contested the open men's double scull national title with Hamish Playfair of UTS Haberfield and placed second.

[7][8] At the 2019 Australian Championships he won the open men's double scull national title with his SUBC clubmate Cameron Girdlestone.

[11] With Watts in the two seat, that crew placed third in their heat and then in the repechage went out hard and alongside New Zealand they surprised the Lithuanian world champions knocking them out of the final.

In the final the Australian quad rowed through most of the field from the 1000m mark and finished in second place to Italy for a silver world championship medal.

[14] However Watts continued to train on with the Australian men's sculling squad and when final crews were announced six weeks out from the event, he was selected as a travelling reserve.

[17] At the Rowing World Cup II in Varese, Italy with Caleb Antill, David Bartholot and Cormac Kennedy-Leverett they raced as Australia's M4X entrant.