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 Kc5 draw
3 Kc6 draw
4 Kd6 draw
5 Ke5 draw
6 Ke6 draw
7 Rb4 draw
8 Rb5 draw
9 Rb6 draw
10 Rb8 draw
11 Rd7 draw
12 Rf7 draw
13 Kc4 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves
21 Rb1 loss in 1 half-moves
22 Rb2 loss in 1 half-moves