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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ka3 draw
3 Ka5 draw
4 Ka7 draw
5 Kb3 draw
6 Kb4 draw
7 Kb5 draw
8 Kb7 draw
9 Kb8 draw
10 Rb6 draw
11 Rc6 draw
12 Rd6 draw
13 Rf6 draw
14 Rg6 draw
15 Ra7 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves