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 Kc3 draw
3 Kc4 draw
4 Kd3 draw
5 Kd5 draw
6 Ke3 draw
7 Ke4 draw
8 Ke5 draw
9 Ra3 draw
10 Rc3 draw
11 Rd3 draw
12 Re3 draw
13 Rf2 draw
14 Rf4 draw
15 Rf5 draw
16 Rf6 draw
17 Rf7 draw
18 Rg3 draw
19 Kc5 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rh3 loss in 2 half-moves