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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rd8 draw
3 Ka5 loss in 2 half-moves
4 Ka6 loss in 2 half-moves
5 Ka7 loss in 2 half-moves
6 Kb5 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kc5 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Ke4 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Rd2 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Rd6 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Re5 loss in 2 half-moves