Camilla Speirs is the best of the Irish after the completion of the dressage phase of the eventing.
The Kildare woman finished in a share of 27th place after scoring just 47.60 penalty points on Portersize Just A Jiff.
Aoife Clark is next best of the Irish in 32nd place (48.90), while Joseph Murhy is 53rd (55.60), Mark Kyle 61st (58.70) and Michael Ryan 64th (60.20).
The overall lead is held by Japan's Yoshiaki Oiwa, who finished with just 38.10 penalties. Italy's Stefano Brecciaroli lies second on 38.50, while New Zealand's Mark Todd is third on 39.10.
At this stage, Germany lead the Team rankings with a total of just 119.10, with Ingrid Klimke (joint fourth on 39.30), Dirk Shrade (sixth on 39.80), Sandra Auffarth (co-seventh on 40.00) showing their nation's strength in this discipline.
Australia lie second on 122.10, with Great Britain third (127.00) and Ireland tenth (152.10).