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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rc5 win in 3 half-moves
3 Rd5 draw
4 Re5 draw
5 Rh1 draw
6 Rh2 draw
7 Rh3 draw
8 Rh4 draw
9 Ka4 loss in 2 half-moves
10 Ka7 loss in 2 half-moves
11 Ka8 loss in 2 half-moves
12 Kaa6 loss in 2 half-moves
13 Kab6 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Kba6 loss in 2 half-moves
18 Kbb6 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Kc8 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rh6 loss in 2 half-moves
25 Rh7 loss in 2 half-moves
26 Rh8 loss in 2 half-moves