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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 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 Rc4 draw
13 Rd4 draw
14 Rh4 draw
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves