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 Kd1 draw
5 Kd3 draw
6 Ke1 draw
7 Ke2 draw
8 Ke3 draw
9 Ra3 draw
10 Rc3 draw
11 Re3 draw
12 Rf3 draw
13 Rg1 draw
14 Rg2 draw
15 Rg4 draw
16 Rg5 draw
17 Rg7 draw
18 Rg8 draw
19 Kc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh3 loss in 2 half-moves