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

EGTB: win in 4 half-moves

# move score
1 Re7 win in 3 half-moves
2 K7e7 draw
3 K8e7 draw
4 K8e8 draw
5 Rf7 draw
6 Rg2 draw
7 Rg8 draw
8 Rh7 draw
9 K7c7 loss in 2 half-moves
10 K7c8 loss in 2 half-moves
11 K7e8 loss in 2 half-moves
12 K8c7 loss in 2 half-moves
13 K8c8 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves