Claimed his first Rolex Series title at the 2020 Aberdeen Standard Investments Scottish Open, defeating Tommy Fleetwood in a play-off at The Renaissance Club.

Went wire-to-wire to seal his maiden European Tour title at the Honma Hong Kong Open presented by Amundi, with the event in December 2018 taking place as the 2019 Race to Dubai opener.

Joined the Challenge Tour after coming through the EuroPro Tour in 2016, securing his first victory the following season at the Barclays Kenya Open. That win had a special significance as his Kenya-born mother saw him triumph in her first visit to her home country for 47 years - Rai also lifted the title on what was Mothering Sunday in the UK.

Won twice more on the Challenge Tour in the first half of 2017 to secure automatic promotion onto the European Tour.

Became a teenage sensation as a 15 year old after beating the 'Lee Westwood World Puttmaster Record' by holing an astonishing 207 consecutive ten-foot putts.