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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb5 win in 9 half-moves
3 Rb1 draw
4 Rb2 draw
5 Rb3 draw
6 Rb6 draw
7 Re7 draw
8 Rf7 draw
9 Rg7 draw
10 Rh7 draw
11 Ka4 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Kab4 loss in 2 half-moves
14 Kab5 loss in 2 half-moves
15 Kab6 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kcb4 loss in 2 half-moves
19 Kcb5 loss in 2 half-moves
20 Kcb6 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Kd6 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Rd7 loss in 2 half-moves