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 Ke6 draw
6 Ke7 draw
7 Rb1 draw
8 Rb2 draw
9 Rb3 draw
10 Rb5 draw
11 Rb6 draw
12 Rb8 draw
13 Rd7 draw
14 Re7 draw
15 Rf7 draw
16 Rg7 draw
17 Rh7 draw
18 Kc5 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rc7 loss in 2 half-moves