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

EGTB: draw

# move score
1 Rb8 draw
2 Rc5 draw
3 Rd8 draw
4 Rg8 draw
5 g8=B loss in 2 half-moves
6 g8=K loss in 2 half-moves
7 g8=N loss in 2 half-moves
8 g8=Q loss in 2 half-moves
9 g8=R loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves