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

EGTB: draw

# move score
1 Rb2 draw
2 Rg8 loss in 6 half-moves
3 Rd8 loss in 4 half-moves
4 d8=B loss in 2 half-moves
5 d8=K loss in 2 half-moves
6 d8=N loss in 2 half-moves
7 d8=Q loss in 2 half-moves
8 d8=R loss in 2 half-moves
9 Nf7 loss in 2 half-moves
10 Ng6 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rb4 loss in 1 half-moves