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 Rh4 win in 1 half-moves
3 Rh8 draw
4 Ke1 loss in 2 half-moves
5 Ke2 loss in 2 half-moves
6 Ke3 loss in 2 half-moves
7 Kf1 loss in 2 half-moves
8 Kf3 loss in 2 half-moves
9 Kg1 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kg3 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 Rf3 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh5 loss in 1 half-moves
21 Rh6 loss in 1 half-moves
22 Rh7 loss in 1 half-moves