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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Ra1 draw
5 Ra2 draw
6 Ra3 draw
7 Ra5 draw
8 Rb4 draw
9 Ka7 loss in 8 half-moves
10 Rc4 loss in 4 half-moves
11 Ra7 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rf4 loss in 1 half-moves