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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Kd4 draw
3 Kd5 draw
4 Ke4 draw
5 Kf4 draw
6 Ra3 draw
7 Rb1 draw
8 Rb2 draw
9 Rb5 draw
10 Rc3 draw
11 Re3 draw
12 Rg3 draw
13 Rh3 draw
14 Kd6 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves