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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Rc1 draw
3 Rc2 draw
4 Rf7 draw
5 K7a7 loss in 2 half-moves
6 K7a8 loss in 2 half-moves
7 K7c8 loss in 2 half-moves
8 K8a7 loss in 2 half-moves
9 K8a8 loss in 2 half-moves
10 K8c8 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves