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 13 half-moves
3 Kd3 draw
4 Kd4 draw
5 Kd5 draw
6 Rc8 draw
7 Rd8 draw
8 Rh3 draw
9 Rh4 draw
10 Rh5 draw
11 Rh6 draw
12 Ka1 loss in 2 half-moves
13 Ka2 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kc1 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh1 loss in 2 half-moves
26 Rh2 loss in 2 half-moves
27 Rh7 loss in 2 half-moves