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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Ra6 draw
3 Rc6 draw
4 Rd6 draw
5 Re6 draw
6 Rh1 draw
7 Rh3 draw
8 Rh4 draw
9 Rh5 draw
10 Ka3 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Ka7 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kb7 loss in 2 half-moves
17 Kb8 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves