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