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 win in 1 half-moves
3 Rd4 draw
4 Ka7 loss in 2 half-moves
5 Ka8 loss in 2 half-moves
6 Kb7 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kc8 loss in 2 half-moves
9 Ra2 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Ra1 loss in 1 half-moves
19 Rf4 loss in 1 half-moves