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 Kb4 draw
3 Kb6 draw
4 Kc5 draw
5 Kc6 draw
6 Ra1 draw
7 Ra2 draw
8 Ra3 draw
9 Ra5 draw
10 Rc4 draw
11 Rd4 draw
12 Ka5 loss in 4 half-moves
13 Ka6 loss in 4 half-moves
14 Kc4 loss in 4 half-moves
15 Rb4 loss in 4 half-moves
16 Re4 loss in 4 half-moves
17 Rf4 loss in 4 half-moves
18 Ra6 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves