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 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Ra1 draw
11 Rb3 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Rb8 draw
16 Rc1 draw
17 Rd1 draw
18 Re1 draw
19 Rf1 draw
20 Rg1 draw
21 Rb2 loss in 2 half-moves
22 Rh1 loss in 2 half-moves