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 Kc1 draw
3 Kc2 draw
4 Kd2 draw
5 Ke1 draw
6 Ke2 draw
7 Ra3 draw
8 Rc3 draw
9 Rd3 draw
10 Re3 draw
11 Rf2 draw
12 Rf5 draw
13 Rf6 draw
14 Rf7 draw
15 Rf8 draw
16 Rg3 draw
17 Rf1 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rh3 loss in 2 half-moves