2020: two-year-old season

Tiger Tanaka began her racing career in a claiming race over 1200 metres on heavy ground on 4 June at Lyon Parilly racecourse. Ridden by Guillaume Mandel she started at odds of 10.4/1 and won by a length from Dia de Muertos.^[5] After the race she was claimed by the trainer Charley Rossi on behalf of the owner. Miguel Castro Megias. In her seven subsequent races of 2020 she was ridden by Rossi's partner Jessica Marcialis.^[6] Nine days after her win at Lyon, on her first appearance for her new connections, the filly started favourite for a claiming race over 1500 metres on the synthetic Polytrack surface at Marseille Pont-de-Vivaux racecourse and won by four lengths from Third Apple.^[7] Two weeks later, over the same course and distance, she started odds on favourite for a similar event and won by five lengths.^[8] On 8 July Tiger Tanaka returned to the turf for a claimer over 1600 metres at Marseille Borely and extended her winning run to four as she came home two and a half lengths clear of her rivals.^[9]

The filly was then stepped up in class to contest the Group 2 Prix Robert Papin over 1200 metres at Chantilly Racecourse on 19 July and sustained her first defeat as she came home third behind the British-trained colts Ventura Tormenta and The Lir Jet. The Group 3 Prix Francois Boutin over 1400 metres on heavy ground at Deauville Racecourse on 16 August saw Tiger Tanaka go off the 1.7/1 joint favourite alongside Unveil in a five-runner field. After being settled in second place by Marcialis in the early stages she took the lead 400 metres from the finish and drew away in the closing stages to win by two lengths from La Gioiosa.^[10] Marcialis commented "She did it so easily. I asked myself what was going on two out as there was no challenge. I decided then it was time to go and she quickened beautifully."^[11]

On 4 October, Tiger Tanaka was elevated to the highest class for the Prix Marcel Boussac over 1600 metres at Longchamp Racecourse and started the 8/1 fifth choice in the betting for the Group 1 event. The Prix du Calvados winner Fev Rover went off favourite, while the other ten runners included King's Harlequin (Prix d'Aumale), Thunder Beauty (fifth in the Moyglare Stud Stakes), La Gioiosa and the Listed race winners Bonita Queen and Al Siq. She raced in mid-division as La Jonction set the early pace, before moving up to track the leaders 500 metres from the finish. She gained the advantage approaching the last 200 metres and stayed on well in the closing stages to win by three quarters of a length from Tasmania.^[12] Marcialis became the first woman to ride a Group 1 race in France was accompanied by her young son as she received the trophy. She said "It's incredible. I don't have words... She was relaxed throughout the race. It's incredible because in all the races I've ridden her, every time she has been different. I've made history. I want to say to all the mums that we can do it. Be strong."^[6]

For her final run of the season Tiger Tanaka was moved up again in distance for the 2000 metre Criterium de Saint-Cloud on 24 October and came home fourth behind the colts Gear Up, Botanik and Makaloun, beaten two lengths by the winner.^[13]

In the official European classification for 2020 Tiger Tanaka was given a rating of 110, making her the seventh best two-year-old filly of the season.^[14]

2021: three-year-old season

On 21 March Tiger Tanaka began her second campaign in the Listed Prix le Camargo over 1600 metres at Saint-Cloud when she started favourite but was beaten six lengths into second place by Sweet Lady. In the 1800 metre Prix Vanteaux at Longchamp three weeks later she came home sixth of the ten runners behind Rumi after struggling to obtain a clear run in the straight.^[15]