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 Rb3 draw
4 Rc1 draw
5 Rc2 draw
6 Rc6 draw
7 Rf3 draw
8 Rg3 draw
9 Ke7 loss in 2 half-moves
10 Ke8 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Kfg7 loss in 1 half-moves
20 Kfg8 loss in 1 half-moves
21 Khg7 loss in 1 half-moves
22 Khg8 loss in 1 half-moves