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

EGTB: draw

# move score
1 Rb8 draw
2 Kaa2 loss in 2 half-moves
3 Kaa4 loss in 2 half-moves
4 Kab2 loss in 2 half-moves
5 Kba2 loss in 2 half-moves
6 Kba4 loss in 2 half-moves
7 Kbb2 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves