Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kd3 draw
5 Ke1 draw
6 Ke2 draw
7 Ke3 draw
8 Ra1 draw
9 Rc1 draw
10 Rh1 draw
11 Kc3 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rg1 loss in 2 half-moves