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 K7d7 win in 7 half-moves
3 K7d8 win in 7 half-moves
4 K8d7 win in 7 half-moves
5 K8d8 win in 7 half-moves
6 Kd6 win in 7 half-moves
7 Rb3 win in 7 half-moves
8 Rb5 win in 7 half-moves
9 Rb7 win in 7 half-moves
10 Rb8 win in 7 half-moves
11 Kc6 win in 9 half-moves
12 K7b7 draw
13 K7b8 draw
14 K8b7 draw
15 K8b8 draw
16 Kb6 draw
17 Ra4 draw
18 Rc4 draw
19 Rh4 draw
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves