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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rf5 win in 1 half-moves
3 Rf6 win in 1 half-moves
4 Rf7 draw
5 Kf2 loss in 2 half-moves
6 Kf4 loss in 2 half-moves
7 Kg2 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kh2 loss in 2 half-moves
10 Kh3 loss in 2 half-moves
11 Kh4 loss in 2 half-moves
12 Ra3 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rf8 loss in 2 half-moves