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

EGTB: draw

# move score
1 Rb7 draw
2 Rf7 draw
3 Rg7 draw
4 Rh7 draw
5 Kc4 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kd4 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Ke4 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Kg8 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Kg7 loss in 1 half-moves
20 Kh7 loss in 1 half-moves