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

EGTB: win in 4 half-moves

# move score
1 Rh2 win in 3 half-moves
2 Kf1 draw
3 Kgh2 draw
4 Khh2 draw
5 Ra2 draw
6 Rb1 draw
7 Rb6 draw
8 Rc2 draw
9 Rg2 draw
10 Kf2 loss in 2 half-moves
11 Kgg2 loss in 2 half-moves
12 Khg2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves