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 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Kc1 draw
6 Kc2 draw
7 Kg4 draw
8 Ra5 draw
9 Rc5 draw
10 Rd5 draw
11 Re3 draw
12 Ke4 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 Kg5 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Re8 loss in 2 half-moves