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 Rc8 win in 7 half-moves
3 Ra8 win in 11 half-moves
4 K5b6 draw
5 K5c6 draw
6 K5d6 draw
7 K7b6 draw
8 K7c6 draw
9 K7d6 draw
10 Kb4 draw
11 Kb5 draw
12 Kb7 draw
13 Kb8 draw
14 Kc4 draw
15 Kc8 draw
16 Kd7 draw
17 Kd8 draw
18 Rd8 draw
19 Rh1 draw
20 Rh5 draw
21 Rh6 draw
22 Rh7 draw
23 Kd4 loss in 2 half-moves
24 Kd5 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh2 loss in 2 half-moves
29 Rh3 loss in 2 half-moves
30 Rh4 loss in 2 half-moves