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

EGTB: draw

# move score
1 Rb6 draw
2 Rd7 draw
3 Kaa1 loss in 2 half-moves
4 Kaa3 loss in 2 half-moves
5 Kab1 loss in 2 half-moves
6 Kab3 loss in 2 half-moves
7 Kba1 loss in 2 half-moves
8 Kba3 loss in 2 half-moves
9 Kbb1 loss in 2 half-moves
10 Kbb3 loss in 2 half-moves
11 Kc1 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves