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 Kd5 draw
4 Ra3 draw
5 Rc3 draw
6 Rd1 draw
7 Rd2 draw
8 Re3 draw
9 Rf3 draw
10 Rg3 draw
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Rh3 loss in 2 half-moves