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 Kb7 draw
3 Kb8 draw
4 Kg4 draw
5 Kg5 draw
6 Kh5 draw
7 Ra3 draw
8 Ra4 draw
9 Ra5 draw
10 Rb7 draw
11 Rc7 draw
12 Rd7 draw
13 Rh7 draw
14 Kg3 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves