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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Ra6 draw
6 Ra7 draw
7 Ra8 draw
8 Rb4 draw
9 Rd4 loss in 4 half-moves
10 Re4 loss in 4 half-moves
11 Ra2 loss in 2 half-moves
12 Ra3 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rc4 loss in 1 half-moves