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 Rb8 draw
3 Rc8 draw
4 Rd8 draw
5 Rf2 draw
6 Rf4 draw
7 Rf5 draw
8 Rf6 draw
9 Ka4 loss in 2 half-moves
10 Ka5 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kbc4 loss in 2 half-moves
15 Kbc5 loss in 2 half-moves
16 Kbc6 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kdc4 loss in 2 half-moves
20 Kdc5 loss in 2 half-moves
21 Kdc6 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Ke5 loss in 2 half-moves
24 Ke6 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rf3 loss in 2 half-moves
28 Rf7 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves