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 Ra6 draw
3 Ra7 draw
4 Ra8 draw
5 Rc4 draw
6 Rd4 draw
7 Re4 draw
8 Rh4 draw
9 Ka2 loss in 2 half-moves
10 Ka7 loss in 2 half-moves
11 Ka8 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves