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