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 K5a6 draw
3 K5b6 draw
4 K7a6 draw
5 K7b6 draw
6 Ka4 draw
7 Ka8 draw
8 Kb4 draw
9 Kb5 draw
10 Kb7 draw
11 Kb8 draw
12 Ra6 draw
13 Rc6 draw
14 Rd6 draw
15 Re3 draw
16 Re4 draw
17 Re5 draw
18 Re7 draw
19 Re8 draw
20 Re1 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rh6 loss in 2 half-moves