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

EGTB: win in 4 half-moves

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