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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kd7 draw
5 Ke7 draw
6 Rb5 draw
7 Rb6 draw
8 Rb7 draw
9 Re8 draw
10 Rd8 loss in 8 half-moves
11 Ke6 loss in 6 half-moves
12 Rf8 loss in 6 half-moves
13 Rg8 loss in 6 half-moves
14 Kc5 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rb1 loss in 1 half-moves
20 Rb2 loss in 1 half-moves
21 Rb3 loss in 1 half-moves
22 Rh8 loss in 1 half-moves