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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ra6 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rh5 win in 3 half-moves
5 Ka1 draw
6 Ka2 draw
7 Ka3 draw
8 Ka5 draw
9 Kb2 draw
10 Kb3 draw
11 Kb4 draw
12 Rc6 draw
13 Rd6 draw
14 Rh4 draw
15 Rh7 draw
16 Rh8 draw
17 Kc1 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh1 loss in 2 half-moves
23 Rh2 loss in 2 half-moves
24 Rh3 loss in 2 half-moves