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 Ka1 draw
3 Ka3 draw
4 Ka5 draw
5 Ka6 draw
6 Ka7 draw
7 Kb1 draw
8 Kb2 draw
9 Kb3 draw
10 Kb5 draw
11 Kb7 draw
12 Kc5 draw
13 Kc6 draw
14 Kc7 draw
15 Rb8 draw
16 Rc8 draw
17 Rd8 draw
18 Re8 draw
19 Rf4 draw
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves