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

EGTB: win in 2 half-moves

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