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

EGTB: draw

# move score
1 Rb5 draw
2 Rb8 draw
3 Rg6 draw
4 Rb1 loss in 4 half-moves
5 Rb7 loss in 4 half-moves
6 f8=B loss in 2 half-moves
7 f8=K loss in 2 half-moves
8 f8=N loss in 2 half-moves
9 f8=Q loss in 2 half-moves
10 f8=R loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rh6 loss in 2 half-moves