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

EGTB: draw

# move score
1 Ra7 draw
2 Rb7 draw
3 Rc7 draw
4 Rd7 draw
5 Re7 draw
6 Rf7 draw
7 Rg4 draw
8 Rg5 draw
9 Rg6 draw
10 Rg8 draw
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kd1 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rh7 loss in 2 half-moves