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

EGTB: draw

# move score
1 Rb8 draw
2 Rd8 draw
3 Re8 draw
4 Rf8 draw
5 Rg8 draw
6 Rh8 draw
7 Kba4 loss in 2 half-moves
8 Kba6 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kaa4 loss in 1 half-moves
13 Kaa6 loss in 1 half-moves
14 Kab4 loss in 1 half-moves
15 Kab6 loss in 1 half-moves
16 Kbb4 loss in 1 half-moves
17 Kbb6 loss in 1 half-moves
18 Ra6 loss in 1 half-moves
19 Ra7 loss in 1 half-moves
20 Rc8 loss in 1 half-moves