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

EGTB: win in 6 half-moves

# move score
1 Rb1 win in 5 half-moves
2 Rb2 win in 5 half-moves
3 Kf1 draw
4 Kf2 draw
5 Kgg2 draw
6 Kgh2 draw
7 Khg2 draw
8 Khh2 draw
9 Ra4 draw
10 Rb3 draw
11 Rb5 draw
12 Rb6 draw
13 Rc4 draw
14 Rd4 draw
15 Re4 draw
16 Rf4 draw
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves