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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb4 draw
3 Kb6 draw
4 Kc4 draw
5 Kc6 draw
6 Rb2 draw
7 Rb4 draw
8 Rb5 draw
9 Rb7 draw
10 Rc1 draw
11 Rd1 draw
12 Kb5 loss in 10 half-moves
13 Ra1 loss in 6 half-moves
14 Kd4 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Re1 loss in 1 half-moves