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 win in 5 half-moves
3 Ka6 draw
4 Ka8 draw
5 Kab6 draw
6 Kab7 draw
7 Kb5 draw
8 Kb8 draw
9 Kc5 draw
10 Kc7 draw
11 Kcb6 draw
12 Kcb7 draw
13 Rc8 draw
14 Rh3 draw
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh1 loss in 2 half-moves
23 Rh2 loss in 2 half-moves
24 Rh4 loss in 2 half-moves
25 Rh5 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves