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

EGTB: win in 4 half-moves

# move score
1 K6b7 win in 3 half-moves
2 K8b7 win in 3 half-moves
3 K8c7 win in 3 half-moves
4 K8d7 win in 3 half-moves
5 Kb6 win in 3 half-moves
6 Kb8 win in 3 half-moves
7 Rf5 win in 3 half-moves
8 K6c7 draw
9 K6d7 draw
10 Kb5 draw
11 Kc5 draw
12 Kd5 draw
13 Kd6 draw
14 Kd8 draw
15 Rf4 draw
16 Rf6 draw
17 Rf7 draw
18 Rg8 draw
19 Rh8 draw
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves