Countdown to Beijing Zac Purchase and Mathilde Pauls - a naturalised Briton from Germany - win their respective lightweight races, and young sculler Bill Lucas wins the men's open weight singles.
What next for the GB rowing team? It will be a fascinating few months, with the final Olympic qualifying regatta taking place in Lucerne, Switzerland, in June.
Grobler says that selection is the part of his job he dislikes the most, but he adds: "It's a good thing to have competition, it lifts the standard of the team."
The clock is ticking for the British rowers.
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