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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kb5 draw
6 Kb6 draw
7 Kb7 draw
8 Kc5 draw
9 Kc7 draw
10 Kd5 draw
11 Kd6 draw
12 Kd7 draw
13 Rb8 draw
14 Rc8 draw
15 Rd8 draw
16 Re8 draw
17 Rf3 draw
18 Rf7 draw
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves