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

EGTB: win in 50 half-moves

# move score
1 Ra8 win in 49 half-moves
2 Ra7 win in 51 half-moves
3 Kb4 draw
4 Ra5 draw
5 Ra6 draw
6 Rd4 draw
7 Re4 draw
8 Rf4 draw
9 Ka2 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves