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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Ra1 draw
6 Ra3 draw
7 Ra5 draw
8 Ra6 draw
9 Rc4 draw
10 Rh4 draw
11 Kc1 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves