Russian driver Aleksandr Potekhin began racing in karting in mid-1960s. In 1978 he started working as a mechanic in the MADI (Moscow Automobile and Road Construction State Technical University) laboratory. In 1979 he made his debut in the Formula Vostok, racing an Estonia 18M in the MADI team. A year later he raced an Estonia 15M in the Soviet Formula 4 championship. In the 1981 season he made his debut in an Estonia 20 in the Soviet Formula 3, finishing sixth in the classification. Potekhin continued to race in Soviet Formula 3 until 1986 when he became a champion. In 1987 – 1988 he competed in Soviet Formula Vostok Championship with Estonia 21M, and in 1989 – 1990 in Soviet Formula Mondial with the same car. Pothehin became the member of the USSR national team in Peace and Friendship Cup in 1989. That year he was 3rd in the general classification of the Cup behind his team-mates Viktor Kozankov and Toivo Asmer, finishing on podiums in each of the four races of the series. Potekhin became the champion of the Cup next season, when the Cup switched to Formula Mondial. Aleksander won the race at Schleizer Dreieck in the last edition of the major racing series of the Eastern Bloc.
After the collapse of the USSR, he continued racing in Russian national single-seater series competing with his principal rival Viktor Kozankov. In 1994 and 1997, Pothekhin became the Russian champion in Formula 1600.
| Season | Series | Event |
| 1990 | Formula Mondial | Cup of Peace and Friendship |
| Driver | No. | Entrant |
| Aleksandr Potekhin | 74 | USSR National Team |
| Scale | Manufacturer | Collection |
| 1:43 | Boris Pershin | |
| Cat. No. | Quality | Rarity |
| 
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Conversion of Estonia 21 model be PCT from de Agostini Avtolegendy SSSR Collection
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