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

EGTB: win in 2 half-moves

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