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 Rg5 win in 1 half-moves
3 Ra3 draw
4 Rf3 draw
5 Kf1 loss in 2 half-moves
6 Kf2 loss in 2 half-moves
7 Kf3 loss in 2 half-moves
8 Kg1 loss in 2 half-moves
9 Kh1 loss in 2 half-moves
10 Kh2 loss in 2 half-moves
11 Kh3 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Rg7 loss in 1 half-moves
19 Rg8 loss in 1 half-moves