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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rf4 win in 3 half-moves
3 Rb6 win in 5 half-moves
4 K7f7 draw
5 K7f8 draw
6 K7h7 draw
7 K7h8 draw
8 K8f7 draw
9 K8f8 draw
10 K8h7 draw
11 K8h8 draw
12 Ra4 draw
13 Rb5 draw
14 Rb7 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Kf6 loss in 2 half-moves
19 Kg6 loss in 2 half-moves
20 Kh6 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves