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 Kc6 win in 7 half-moves
3 Kc7 win in 7 half-moves
4 Ka6 draw
5 Ka7 draw
6 Ka8 draw
7 Kb6 draw
8 Kb8 draw
9 Kc3 draw
10 Kc4 draw
11 Kc5 draw
12 Kc8 draw
13 Kd3 draw
14 Kd5 draw
15 Ra6 draw
16 Rc6 draw
17 Rd6 draw
18 Re6 draw
19 Rf1 draw
20 Rf2 draw
21 Rf7 draw
22 Rf8 draw
23 Ke3 loss in 2 half-moves
24 Ke4 loss in 2 half-moves
25 Ke5 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rf4 loss in 2 half-moves
28 Rf5 loss in 2 half-moves
29 Rg6 loss in 2 half-moves
30 Rh6 loss in 2 half-moves