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 Ka4 draw
4 Ka5 draw
5 Ka6 draw
6 Kb1 draw
7 Kb2 draw
8 Kb4 draw
9 Kb6 draw
10 Kc5 draw
11 Kc6 draw
12 Rb8 draw
13 Rc8 draw
14 Rd8 draw
15 Re8 draw
16 Rf3 draw
17 Rf4 draw
18 Rf5 draw
19 Rf6 draw
20 Rf7 draw
21 Kc4 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves