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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rc7 draw
3 Rd7 draw
4 Re7 draw
5 Rf7 draw
6 Rg1 draw
7 Rg4 draw
8 Rg5 draw
9 Rg6 draw
10 Ka6 loss in 2 half-moves
11 Ka8 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kb7 loss in 2 half-moves
17 Kb8 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kd2 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh7 loss in 2 half-moves