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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kd7 draw
5 Rc8 draw
6 Re8 draw
7 Rf8 draw
8 Rg6 draw
9 Rh8 draw
10 Kc8 loss in 4 half-moves
11 Kd8 loss in 4 half-moves
12 Rg3 loss in 4 half-moves
13 Rg7 loss in 4 half-moves
14 Kb6 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rg5 loss in 2 half-moves