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

EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 Rg2 draw
3 Rg4 draw
4 Rg5 draw
5 Rg6 draw
6 Rh7 draw
7 Ka6 loss in 2 half-moves
8 Ka7 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kbb8 loss in 2 half-moves
12 Kbc7 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kcb8 loss in 2 half-moves
15 Kcc7 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rg8 loss in 2 half-moves