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

EGTB: win in 4 half-moves

# move score
1 Rc7 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 Rd7 draw
14 Re3 draw
15 Re4 draw
16 Re5 draw
17 Re6 draw
18 Re8 draw
19 Re1 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves