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

EGTB: win in 4 half-moves

# move score
1 Rh3 win in 3 half-moves
2 Ra3 draw
3 Rb5 draw
4 Rb7 draw
5 Rd3 draw
6 Rg3 draw
7 Kf1 loss in 2 half-moves
8 Kf2 loss in 2 half-moves
9 Kg2 loss in 2 half-moves
10 Kh1 loss in 2 half-moves
11 Kh2 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves