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 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd7 draw
6 Kd8 draw
7 Ke5 draw
8 Kf5 draw
9 Kg5 draw
10 Ra3 draw
11 Rc3 draw
12 Rf1 draw
13 Rf2 draw
14 Rg3 draw
15 Rh3 draw
16 Ke3 loss in 1 half-moves
17 Ke4 loss in 1 half-moves
18 Kg3 loss in 1 half-moves
19 Kg4 loss in 1 half-moves
20 Rd3 loss in 1 half-moves
21 Re3 loss in 1 half-moves