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

EGTB: draw

# move score
1 Rb7 draw
2 Rd7 draw
3 Re7 draw
4 Rf7 draw
5 Rg8 loss in 4 half-moves
6 Kf2 loss in 2 half-moves
7 Kf3 loss in 2 half-moves
8 Kf4 loss in 2 half-moves
9 Kg2 loss in 2 half-moves
10 Kg4 loss in 2 half-moves
11 Kh2 loss in 2 half-moves
12 Kh3 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rh7 loss in 2 half-moves