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

EGTB: draw

# move score
1 Rb8 draw
2 Re8 draw
3 Rf8 draw
4 Rg8 draw
5 Rh1 draw
6 Rh2 draw
7 Rh3 draw
8 Rh5 draw
9 Rh7 draw
10 g8=N loss in 6 half-moves
11 g8=B loss in 4 half-moves
12 g8=K loss in 4 half-moves
13 g8=Q loss in 2 half-moves
14 g8=R loss in 2 half-moves
15 Nb3 loss in 2 half-moves
16 Nc2 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rh6 loss in 2 half-moves