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

EGTB: win in 2 half-moves

# move score
1 Rh3 win in 1 half-moves
2 Kb4 draw
3 Rb3 draw
4 Rc3 draw
5 Kb3 loss in 16 half-moves
6 Ka5 loss in 10 half-moves
7 Kb5 loss in 2 half-moves
8 Ra1 loss in 2 half-moves
9 Ra2 loss in 2 half-moves
10 Rd3 loss in 2 half-moves
11 Re3 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rg3 loss in 2 half-moves