Juniors

Brydone was the alternate on the Bruce Mouat rink representing Scotland that won a gold medal at the 2016 World Junior Curling Championships.^[3] Brydone played in one game at the tournament, subbing in for Bobby Lammie in their game against Denmark after Lammie fell ill.^[4] The following year, Brydone played third on the Cameron Bryce rink which won the 2017 Scottish Junior Curling Championships.^[1] The team represented Scotland at the 2017 World Junior Curling Championships, where after finished the round robin with a 6–3 record. This qualified the team for the playoffs, where they beat Norway in the 3 vs. 4 game, but lost to both South Korea in the semifinal, and then in a re-match against Norway in the bronze medal game, settling for fourth place.^[5] Brydone made it again to the World Juniors in 2018, this time playing third for Ross Whyte after the team won the Scottish Junior Championship.^[1] This time, the team went through the round robin undefeated, winning all nine of their games. In the playoffs, they beat Switzerland in the semifinal, but lost to Canada's Tyler Tardi in the final, winning silver in the process.^[6]

Mixed

Outside of junior curling, Brydone won the 2018 Scottish Mixed Curling Championship.^[1] He then skipped Team Scotland at the 2018 World Mixed Curling Championship. He led his team to an 8–0 undefeated record in pool play, but lost to Canada in their first playoff game, and were eliminated in the process.^[7]

Men's

While he was in juniors, Brydone played second on Bryce's men's team. The team won a bronze medal at the 2018 Scottish Men's Curling Championship.^[8]

After playing with Bryce, Brydone skipped his own rink for a season and joined the Whyte rink again in 2019,^[9] and won his first tour events with the team at the 2019 Prague Classic^[1] and the Dumfries Challenger Series.^[10]

The Whyte rink began the 2021–22 curling season by winning the 2021 KW Fall Classic.^[11] In their first Grand Slam event, the 2021 Masters the team made it to the quarterfinals,^[12] where they lost to their compatriots, Team Bruce Mouat.^[13] At their next event, the 2021 National, the team again made it to the quarters, where they this time lost to Brad Gushue.^[14] Later in the season, the team played in the 2022 Scottish Curling Championships, losing in the finals^[15] to Ross Paterson.^[16] The team finished the season at the 2022 Players' Championship, where they failed to qualify for the playoffs.^[2]

The team began the 2022–23 Grand Slam season at the 2022 National, where they missed the playoffs.^[2] Their next slam event, the 2022 Tour Challenge was another flop,^[2] but the team then went on to win the 2022 Swiss Cup Basel^[17] and the Original 16 Tour Bonspiel events on tour.^[18] They finally made the playoffs again at the 2022 Masters, losing in the quarters^[2] to Team Mouat.^[19] They missed the playoffs again at their next slam, the 2023 Canadian Open.^[2] The following month, they finished third at the Scottish Championships,^[20] but won the Aberdeen International Curling Championship in March.^[21] They wrapped up the season losing in a tiebreaker at the 2023 Players' Championship^[22] and losing in the quarterfinals at the 2023 Champions Cup to Team Gushue.^[23] During the season, Brydone would often skip the team, while Whyte threw last rocks due to Brydone suffering from a back injury, preventing him from sweeping.^[17]