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

EGTB: win in 2 half-moves

# move score
1 Re7 win in 1 half-moves
2 Kb6 loss in 12 half-moves
3 Kc6 loss in 12 half-moves
4 Rf7 loss in 12 half-moves
5 Rg8 loss in 12 half-moves
6 Rh7 loss in 12 half-moves
7 Ka6 loss in 10 half-moves
8 Ka7 loss in 10 half-moves
9 Rg6 loss in 8 half-moves
10 Ka8 loss in 6 half-moves
11 Kb8 loss in 6 half-moves
12 Kc7 loss in 6 half-moves
13 Kc8 loss in 6 half-moves
14 Rg5 loss in 4 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg1 loss in 1 half-moves