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 Rf1 draw
4 Rf2 draw
5 Rf3 draw
6 Rf4 draw
7 Rf5 draw
8 Rf6 draw
9 Rg7 draw
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kd1 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rh7 loss in 2 half-moves