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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Kb4 draw
3 Kc4 draw
4 Kd4 draw
5 Ra7 draw
6 Rb2 draw
7 Rb3 draw
8 Rb4 draw
9 Rb5 draw
10 Rb6 draw
11 Re7 draw
12 Rf7 draw
13 Rg7 draw
14 Kb5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kg1 loss in 2 half-moves
20 Kg2 loss in 2 half-moves
21 Kh2 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves