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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Ka6 draw
4 Kb6 draw
5 Rb1 draw
6 Rb5 draw
7 Rb6 draw
8 Rc4 draw
9 Re4 draw
10 Rf4 draw
11 Rg4 draw
12 Ka8 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Kf8 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 Rh4 loss in 2 half-moves