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 K6e7 draw
3 K6f7 draw
4 K6g7 draw
5 K8e7 draw
6 K8f7 draw
7 K8g7 draw
8 Ke6 draw
9 Ke8 draw
10 Kg5 draw
11 Ra6 draw
12 Rb1 draw
13 Rb7 draw
14 Rb8 draw
15 Ke5 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Kg8 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Rd6 loss in 2 half-moves
24 Re6 loss in 2 half-moves