Japan's Toru Suzuki and South Africa's Mpumelelo Mhlongo were both in world record-breaking form, as action got underway at the World Para Athletics Grand Prix in Paris.
Suzuki set the first world record with a huge leap of 1.92 metres in the men's high jump T64 event at the French capital's Stade Sébastien Charléty.
Later in the day, Mhlongo bettered the global mark in the men's 100m T42-44 with a time of 11.12sec.
Thailand's Denpoom Kotcharang was the runner-up in 12.11, while Namibia's Denzel Namene settled for third place in 12.79.
Among today's other winners was Great Britain's Thomas Young, who beat a high-class field to grab the gold medal in the men's 100m T37-38 in 11.35.
Home athlete Dimitri Jozwicki claimed the silver medal in 11.47 and Indonesia's Sapto Yogo Purnomo clinched bronze in 11.48.
There was also joy for France's Bryce Chesnais in the men's 100m T51-53 final, ahead of Lithuania's Kęstutis Skučas and Mexico's Salvador Hernández Mondragón.
Out in the field, Oleksandr Doroshenko led a Ukrainian one-two finish in the men's javelin F12-13/38/deaf event with a throw of 49.35m.
Compatriot Vladyslav Bilyi came second, while Japan's Tsukasa Tanaka ranked third.
Action in Paris concludes tomorrow.