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 Kb7 win in 5 half-moves
3 Ra8 win in 5 half-moves
4 Rc8 win in 5 half-moves
5 Kb5 win in 7 half-moves
6 Kcb6 win in 7 half-moves
7 Ka8 win in 9 half-moves
8 Kc6 win in 9 half-moves
9 Kc4 win in 11 half-moves
10 Ka6 draw
11 Kab6 draw
12 Kb4 draw
13 Kb8 draw
14 Rh1 draw
15 Rh7 draw
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh2 loss in 2 half-moves
24 Rh3 loss in 2 half-moves
25 Rh4 loss in 2 half-moves
26 Rh5 loss in 2 half-moves
27 Rh6 loss in 2 half-moves