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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb6 win in 9 half-moves
3 Rb8 win in 9 half-moves
4 K6b7 draw
5 K6c7 draw
6 K6d7 draw
7 K8b7 draw
8 K8c7 draw
9 K8d7 draw
10 Kb5 draw
11 Kb6 draw
12 Kb8 draw
13 Kc5 draw
14 Kd5 draw
15 Kd6 draw
16 Kd8 draw
17 Ra4 draw
18 Rb7 draw
19 Rc4 draw
20 Rd4 draw
21 Rh4 draw
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg4 loss in 2 half-moves