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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ra8 draw
3 Rc8 draw
4 Rd8 draw
5 Rh2 draw
6 Rh3 draw
7 Rh4 draw
8 Rh5 draw
9 Kb4 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kcc4 loss in 2 half-moves
13 Kcc6 loss in 2 half-moves
14 Kcd4 loss in 2 half-moves
15 Kcd6 loss in 2 half-moves
16 Kdc4 loss in 2 half-moves
17 Kdc6 loss in 2 half-moves
18 Kdd4 loss in 2 half-moves
19 Kdd6 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Ke6 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh6 loss in 2 half-moves
28 Rh7 loss in 2 half-moves