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

EGTB: draw

# move score
1 Rb6 draw
2 Rd7 draw
3 Rd8 draw
4 Kc3 loss in 2 half-moves
5 Kc4 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kd3 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Ke3 loss in 2 half-moves
10 Ke4 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Kg1 loss in 2 half-moves
13 Kg2 loss in 2 half-moves
14 Kh2 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves