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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kaa4 win in 5 half-moves
3 Kba4 win in 5 half-moves
4 Kba6 win in 5 half-moves
5 Kbb4 win in 5 half-moves
6 Kbb6 win in 5 half-moves
7 Kc4 win in 5 half-moves
8 Kc6 win in 5 half-moves
9 Kc5 win in 7 half-moves
10 Ra6 win in 9 half-moves
11 Rb8 win in 9 half-moves
12 Rd8 win in 11 half-moves
13 Re8 win in 11 half-moves
14 Rf8 win in 11 half-moves
15 Rg8 win in 11 half-moves
16 Rh8 draw
17 Kaa6 loss in 2 half-moves
18 Kab4 loss in 2 half-moves
19 Kab6 loss in 2 half-moves
20 Rc8 loss in 2 half-moves