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 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Kc1 draw
6 Kc2 draw
7 Kd4 draw
8 Kd5 draw
9 Kd6 draw
10 Ra6 draw
11 Rc6 draw
12 Rd6 draw
13 Re6 draw
14 Rf1 draw
15 Rf5 draw
16 Rf7 draw
17 Rf8 draw
18 Ke4 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rh6 loss in 2 half-moves