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

EGTB: win in 2 half-moves

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