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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ra1 draw
3 Ra5 draw
4 Rc4 draw
5 Rd4 draw
6 Re4 draw
7 Rg4 draw
8 K7b7 loss in 2 half-moves
9 K7b8 loss in 2 half-moves
10 K8b7 loss in 2 half-moves
11 K8b8 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves