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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Rd5 win in 1 half-moves
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Ra1 draw
8 Ra3 draw
9 Ra4 draw
10 Rb5 draw
11 Rc5 loss in 4 half-moves
12 Rh5 loss in 4 half-moves
13 Re5 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rg5 loss in 2 half-moves