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 Kc4 draw
3 Kc5 draw
4 Kd4 draw
5 Ra1 draw
6 Rb2 draw
7 Rb3 draw
8 Rb5 draw
9 Rd1 draw
10 Rf1 draw
11 Rg1 draw
12 Rh1 draw
13 Kc6 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Re1 loss in 2 half-moves