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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kd8 draw
5 Rb7 draw
6 Rf7 draw
7 Rg3 draw
8 Rg8 draw
9 Rh7 draw
10 Kbb7 loss in 2 half-moves
11 Kbc7 loss in 2 half-moves
12 Kcb7 loss in 2 half-moves
13 Kcc7 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg6 loss in 2 half-moves