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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb6 draw
3 Rb7 draw
4 Rd8 draw
5 Kaa2 loss in 2 half-moves
6 Kaa4 loss in 2 half-moves
7 Kab2 loss in 2 half-moves
8 Kab4 loss in 2 half-moves
9 Kba2 loss in 2 half-moves
10 Kba4 loss in 2 half-moves
11 Kbb2 loss in 2 half-moves
12 Kbb4 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb4 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