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

EGTB: draw

# move score
1 Kb7 draw
2 Kc7 draw
3 Kd7 draw
4 Rg7 draw
5 Rg8 draw
6 Kb8 loss in 4 half-moves
7 Kd8 loss in 4 half-moves
8 Ra6 loss in 4 half-moves
9 Rc6 loss in 4 half-moves
10 Rg3 loss in 4 half-moves
11 Rg5 loss in 4 half-moves
12 Rb6 loss in 2 half-moves
13 Rd6 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg4 loss in 1 half-moves
19 Rh6 loss in 1 half-moves