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

EGTB: draw

# move score
1 Rb5 draw
2 Kc5 loss in 8 half-moves
3 Ra8 loss in 6 half-moves
4 Ka3 loss in 4 half-moves
5 Ka4 loss in 4 half-moves
6 Ka5 loss in 4 half-moves
7 Kb5 loss in 4 half-moves
8 Rb6 loss in 4 half-moves
9 Rb7 loss in 4 half-moves
10 Kb3 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 1 half-moves