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

EGTB: win in 2 half-moves

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