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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kd5 draw
5 Kd6 draw
6 Rb6 draw
7 Rc7 draw
8 Rc8 draw
9 Rg6 draw
10 Rh6 draw
11 Kb4 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Rf6 loss in 2 half-moves