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

EGTB: win in 2 half-moves

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