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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rc7 win in 1 half-moves
3 Rd7 win in 1 half-moves
4 Kg5 draw
5 Kg6 draw
6 Ra7 draw
7 Re7 draw
8 Rf7 draw
9 Kg7 loss in 2 half-moves
10 Kb2 loss in 1 half-moves
11 Kb3 loss in 1 half-moves
12 Kb4 loss in 1 half-moves
13 Kc2 loss in 1 half-moves
14 Kc4 loss in 1 half-moves
15 Kd2 loss in 1 half-moves
16 Kd3 loss in 1 half-moves
17 Kd4 loss in 1 half-moves
18 Kh5 loss in 1 half-moves
19 Rg7 loss in 1 half-moves
20 Rh8 loss in 1 half-moves