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 Re5 win in 1 half-moves
3 Rh3 draw
4 Kf1 loss in 2 half-moves
5 Kf2 loss in 2 half-moves
6 Kgg2 loss in 2 half-moves
7 Kgh1 loss in 2 half-moves
8 Khg2 loss in 2 half-moves
9 Khh1 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Kg3 loss in 1 half-moves
21 Kh3 loss in 1 half-moves
22 Rg3 loss in 1 half-moves