[8] In the following season he helped the team reach the 1934 Cupa României final, being used by coach Adalbert Molnar in both games with Ripensia who won the cup.

[1] Afterwards, Sepci returned to Divizia A football at Victoria Cluj where he made his last first league appearance on 26 November 1939 in a 2–2 with UD Reșița, having a total of 115 games with one goal scored in the competition.

[1] Sepci played four games at international level for Romania, making his debut on 4 June 1933 under coach Constantin Rădulescu in a 7–0 victory with Bulgaria at the 1933 Balkan Cup.

[5][12][13][14] In the following two games, which were at the same competition he kept another two clean sheets in two victories against Greece and Yugoslavia, helping his side win the tournament, politician Alexandru Vaida-Voievod giving him a snuff box made of silver as a token of appreciation for not conceding any goals.

[5][6] The tournament was known in Romania as the Balacaniada lui 13–0 (English: The Balkans of 13–0) and Sepci considered it his playing career's biggest accomplishment:"The best memory of my life as a goalkeeper?

I will never forget that day when the Bucharest students accompanied me to the North Station, while hundreds of enthusiastic people were waiting for me in Cluj, with ovations and flowers.

[5] Sepci made his final appearance for the national team when coach Constantin Rădulescu sent him on the field at half-time in order to replace Crețeanu in a 2–2 with Greece at the 1935 Balkan Cup.

[6][16][17] In 1952 he coached Petrolul Ploiești for a short while, then he went to Jiul Petroșani for a few seasons, managing to maintain the club on the middle positions, away from relegation.

[6][16][25][26] Andrei Sepci has a total of 319 matches as a manager in the Romanian top-division, Divizia A consisting of 114 victories, 76 draws and 129 losses.