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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Kb3 draw
6 Kb4 draw
7 Kb5 draw
8 Kc1 draw
9 Kc2 draw
10 Kc3 draw
11 Kc5 draw
12 Ra7 draw
13 Rb3 draw
14 Rb4 draw
15 Rb8 draw
16 Rc7 draw
17 Rd7 draw
18 Rh7 draw
19 Kd3 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg7 loss in 2 half-moves