Click on the third or sixth rank to set the en passant target square.

EGTB: win in 9 half-moves

# move score
1 Rb3 win in 8 half-moves
2 Ra2 win in 12 half-moves
3 Ra1 win in 20 half-moves
4 Ra4 loss in 2 half-moves
5 Ra5 loss in 2 half-moves
6 Ra6 loss in 2 half-moves
7 Ra7 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rc3 loss in 2 half-moves
10 Rd3 loss in 2 half-moves
11 Re3 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rh3 loss in 2 half-moves