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 5 half-moves
3 Rb8 win in 5 half-moves
4 K6d7 draw
5 K6e7 draw
6 K6f7 draw
7 K8d7 draw
8 K8e7 draw
9 K8f7 draw
10 Kd5 draw
11 Kd6 draw
12 Kd8 draw
13 Kf6 draw
14 Kf8 draw
15 Ra4 draw
16 Rb7 draw
17 Rc4 draw
18 Rd4 draw
19 Rh4 draw
20 Ke5 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
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