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 Rd1 draw
5 Rd3 draw
6 Rd4 draw
7 Rd5 draw
8 Rg6 draw
9 Rh6 draw
10 K5a6 loss in 2 half-moves
11 K5b6 loss in 2 half-moves
12 K7a6 loss in 2 half-moves
13 K7b6 loss in 2 half-moves
14 Ka4 loss in 2 half-moves
15 Ka8 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kb7 loss in 2 half-moves
19 Kb8 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rf6 loss in 2 half-moves