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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 K7a7 draw
3 K7a8 draw
4 K7c7 draw
5 K7c8 draw
6 K8a7 draw
7 K8a8 draw
8 K8c7 draw
9 K8c8 draw
10 Ka6 draw
11 Kb6 draw
12 Kc6 draw
13 Rd8 draw
14 Re8 draw
15 Rf1 draw
16 Rf5 draw
17 Rf6 draw
18 Rf7 draw
19 Rf2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves