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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Kc4 draw
3 Kc5 draw
4 Kc6 draw
5 Rb6 draw
6 Rc6 draw
7 Rd6 draw
8 Rf1 draw
9 Rf3 draw
10 Rf4 draw
11 Rf5 draw
12 Ka7 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg6 loss in 2 half-moves
25 Rh6 loss in 2 half-moves