Diego Maradona believed his Gimnasia team was the superior side in their 2-1 defeat to Argentina champions Racing Club, as he lamented his "soul hurt" after their inability to find an equaliser in his coaching debut at the club.
The 58-year-old was appointed by the Superliga strugglers on September 5 following a short spell out of the game for health reasons.
It is the Argentina legend's first job in his homeland since leaving the national team in 2010 and he vowed to save Gimnasia's season when taking over.
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But reigning champions Racing, who Maradona coached briefly over two decades ago, added to his new side's woes on Sunday with a narrow victory at Estadio Juan Carmelo Zerillo.