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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Kc3 win in 5 half-moves
4 Rb2 win in 5 half-moves
5 Rc6 win in 5 half-moves
6 Kc2 win in 7 half-moves
7 Kc1 draw
8 Kd1 draw
9 Kd3 draw
10 Ke1 draw
11 Ke2 draw
12 Ke3 draw
13 Kg3 draw
14 Kg4 draw
15 Kh3 draw
16 Ra6 draw
17 Rb1 draw
18 Rb5 draw
19 Rd6 draw
20 Re6 draw
21 Rf6 draw
22 Kg5 loss in 2 half-moves
23 Kh5 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rh6 loss in 2 half-moves