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

EGTB: win in 6 half-moves

# move score
1 Kb7 win in 5 half-moves
2 Kb8 win in 5 half-moves
3 Rd8 win in 15 half-moves
4 Kd5 win in 17 half-moves
5 Kb5 draw
6 Kc5 draw
7 Kd4 draw
8 Kd8 draw
9 Re8 draw
10 Rf4 draw
11 Rg8 draw
12 Rh8 draw
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rf7 loss in 2 half-moves