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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kab1 draw
5 Kab2 draw
6 Kc1 draw
7 Kcb1 draw
8 Kcb2 draw
9 Kd1 draw
10 Kd2 draw
11 Ra7 draw
12 Rb2 draw
13 Rb8 draw
14 Rh7 draw
15 Kab3 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kcb3 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Re7 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rg7 loss in 2 half-moves