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 Kd1 draw
3 Kd2 draw
4 Kee2 draw
5 Kef2 draw
6 Kfe2 draw
7 Kff2 draw
8 Kg1 draw
9 Ra7 draw
10 Rb1 draw
11 Rb3 draw
12 Rb8 draw
13 Rc7 draw
14 Rd7 draw
15 Rh7 draw
16 Kg2 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves