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 K6d7 draw
3 K6e7 draw
4 K6f7 draw
5 K8d7 draw
6 K8e7 draw
7 K8f7 draw
8 Kd5 draw
9 Kd6 draw
10 Kd8 draw
11 Ke5 draw
12 Kf5 draw
13 Ra6 draw
14 Rb4 draw
15 Rb7 draw
16 Rb8 draw
17 Kf6 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Rd6 loss in 2 half-moves