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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Ke4 draw
5 Ke5 draw
6 Ke6 draw
7 Kf4 draw
8 Kg4 draw
9 Kg5 draw
10 Ra5 draw
11 Rb2 draw
12 Rb3 draw
13 Rb4 draw
14 Rb6 draw
15 Rc5 draw
16 Rd5 draw
17 Re5 draw
18 Kb2 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kg6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves