During an afternoon at a Moscow park, Argentina fan Augustin Otelo is counting not the number of goals his team has scored in the World Cup but the number of phone numbers he has collected from Russian women.
"Four!" boasts the 26-year-old engineer dressed in the Albiceleste's light-blue-and-white stripes as he competes with his friends to see who can get the most phone numbers.
Otelo said he hopes his "exotic factor" will help him "find love" in the Russian capital.
"We don't know what to do between matches, so we thought we could try to get to know the Russian people better," he said.
Argentines are flicking through selfies on their phones of Russian girls posing on the popular dating app Tinder.
"There's a lot of competition because of the number of men who have come to Russia for the World Cup," Otelo said. "And very few girls speak English or Spanish."
But the language barrier has not stopped Russians and thousands of foreign football fans from mixing on the streets of Moscow, despite conflicting messages to Russia's female population from politicians.
In May, the Argentine Football Association (AFA) published a manual offering tips on "how to get lucky with a Russian girl." It was widely condemned as sexist and the federation's head, Claudio 'Chiqui' Tapia was forced to apologise for it.
Moscow's World Cup fan zone, built on the doorstep of the city's iconic main university, has become a "flirt zone," joked the free Russian paper Metro recently.