The Rens have been criticised in the past for a cautious style of play unsuited to the higher echelons of the game. Jess averaged 6-7 minutes per game judging by her tweet, suggesting that she has not changed her approach (though there may have been some marathon games of course).
R1 (L32)
(1) Jessica Ren (GBR) d. Johanna Skoglund (SWE) 6-4 3-6 6-2 (4) Jennifer Ren (GBR) d. Saana Saarteinen (FIN) 6-2 6-3
R2
(1) Jessica Ren (GBR) v Karolina Rozenberg (RUS) Marija Milutinovic (SWE) v (4) Jennifer Ren (GBR)
I still think this is a poorly conceived tournament name
LOL
Jen gets the opportunity to avenge Jess's loss:
SF
(4) Jennifer Ren (GBR) d. (Q) Johanna Hyoty (FIN) 3-6 6-2 6-3
Final
(Q) Gabriele Bertasiute (LTU) v (4) Jennifer Ren (GBR)
The Danish website doesn't have the updated girls doubles draw, so I don't know their final opponents at the moment, but it is their first final together