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

EGTB: draw

# move score
1 Ra7 draw
2 Rb1 draw
3 Rb2 draw
4 Rb3 draw
5 Rb4 draw
6 Re7 draw
7 Rf7 draw
8 Rg7 draw
9 Rh7 draw
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Kg7 loss in 2 half-moves
13 Kh7 loss in 2 half-moves
14 Kh8 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves