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

EGTB: win in 2 half-moves

# move score
1 Rc3 win in 1 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb4 draw
5 Kb5 draw
6 Kb6 draw
7 Rb3 draw
8 Rd3 draw
9 Rf3 draw
10 Ra1 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rh3 loss in 2 half-moves
15 Re3 loss in 1 half-moves