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

EGTB: draw

# move score
1 Rb7 draw
2 Rd8 draw
3 Kaa2 loss in 2 half-moves
4 Kaa4 loss in 2 half-moves
5 Kab2 loss in 2 half-moves
6 Kab4 loss in 2 half-moves
7 Kba2 loss in 2 half-moves
8 Kba4 loss in 2 half-moves
9 Kbb2 loss in 2 half-moves
10 Kbb4 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves