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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 Kc1 draw
5 Kc2 draw
6 Kc3 draw
7 Kc4 draw
8 Kd2 draw
9 Kd3 draw
10 Ke1 draw
11 Ke2 draw
12 Ke3 draw
13 Ke4 draw
14 Ra6 draw
15 Rb1 draw
16 Rb4 draw
17 Rg6 draw
18 Kc5 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Rf6 loss in 2 half-moves
27 Rh6 loss in 2 half-moves