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

EGTB: win in 6 half-moves

# move score
1 Rb7 win in 5 half-moves
2 Rb8 win in 5 half-moves
3 Rb1 draw
4 Rb5 draw
5 Rb6 draw
6 Rc4 draw
7 Rf4 draw
8 Rg4 draw
9 Rh4 draw
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Kef7 loss in 2 half-moves
14 Kef8 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kgf7 loss in 2 half-moves
17 Kgf8 loss in 2 half-moves
18 Kh7 loss in 2 half-moves
19 Kh8 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Re4 loss in 2 half-moves