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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb1 draw
3 Rb2 draw
4 Rb4 draw
5 Rb8 draw
6 Re7 draw
7 Rf7 draw
8 Rg7 draw
9 Rh7 draw
10 Ka3 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Kab3 loss in 2 half-moves
13 Kab4 loss in 2 half-moves
14 Kab5 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kcb3 loss in 2 half-moves
18 Kcb4 loss in 2 half-moves
19 Kcb5 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb6 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Rd7 loss in 2 half-moves