The US finished with a final tally of 219 points while Poland came second on 162.
The Aspire Academy graduate clocked a personal best of 49.59 in 400M hurdles.
Qatar’s representatives included four athletes from this year’s batch of graduates
The world champion damaged his ankle ligaments while attempting for a world record in Hungary recently.
American sprinter Noah Lyles matched a season's best time of 19.69sec in the men's 200m.
The only one of the eight to have enjoyed any success at the highest level is 33-year-old runner Yevgeny Rybakov.
The Qatari ace narrowly missed his attempt at a world record height of 2.46m.
The 22-year-old set the second-fastest time ever in the men's 400m hurdles.
The 34-year-old Briton also won the world outdoor title on two occasions in 2007 and 2013.
Qatar's 400m hurdler Abderrahman Samba will look to continue his explosive start to the season.
The powerfully-built Semenya is potentially the highest-profile female athlete that would be affected by the new regulations.
Semenya, CAS said, sought a "ruling from CAS to declare such regulations unlawful and to prevent them from being brought into force. An arbitration procedure has been opened".
The new International Association of Athletics Federations (IAAF) policy will target women who naturally produce unusually high levels of testosterone.
The Qatari ace showed his class after coming under severe pressure from Danil Lysenko.
The 31-year-old said a persistent pain in his ankle had forced his decision.