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

EGTB: win in 8 half-moves

# move score
1 Rb4 win in 7 half-moves
2 Kb8 draw
3 Kc8 draw
4 Kd8 draw
5 Ra4 draw
6 Rc4 draw
7 Rf1 draw
8 Rf2 draw
9 Rf3 draw
10 Rg4 draw
11 Rh4 draw
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Kf5 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Kg5 loss in 2 half-moves
23 Kg6 loss in 2 half-moves
24 Kg7 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Re4 loss in 2 half-moves
27 Rf5 loss in 2 half-moves