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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Ra2 win in 1 half-moves
3 Rc3 win in 1 half-moves
4 Rd3 win in 1 half-moves
5 K4b5 draw
6 K5b5 draw
7 Kb6 draw
8 Re3 draw
9 K4b4 loss in 1 half-moves
10 K5b4 loss in 1 half-moves
11 Kb3 loss in 1 half-moves
12 Ra1 loss in 1 half-moves
13 Rb3 loss in 1 half-moves
14 Rf3 loss in 1 half-moves
15 Rg3 loss in 1 half-moves
16 Rh3 loss in 1 half-moves