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

EGTB: draw

# move score
1 Rb3 draw
2 Rb4 draw
3 Rb5 draw
4 Rb6 draw
5 Rg8 draw
6 Kf5 loss in 18 half-moves
7 Kf6 loss in 12 half-moves
8 Kg6 loss in 6 half-moves
9 Kh6 loss in 6 half-moves
10 Kh5 loss in 4 half-moves
11 Rc8 loss in 4 half-moves
12 Kf4 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves
21 Ra8 loss in 1 half-moves
22 Rb7 loss in 1 half-moves