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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rd8 win in 3 half-moves
3 Rb8 draw
4 Rc8 draw
5 Re8 draw
6 Rh2 draw
7 Rh4 draw
8 Rh5 draw
9 Rh6 draw
10 Ka4 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kbb6 loss in 2 half-moves
16 Kbc5 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Kcb6 loss in 2 half-moves
20 Kcc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Kd7 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 Rh3 loss in 2 half-moves
28 Rh7 loss in 2 half-moves