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 Ka7 draw
3 Ka8 draw
4 Kb3 draw
5 Kb4 draw
6 Kb5 draw
7 Kb7 draw
8 Kc3 draw
9 Kc5 draw
10 Kc7 draw
11 Kc8 draw
12 Ra2 draw
13 Rc2 draw
14 Rd2 draw
15 Re1 draw
16 Re6 draw
17 Re7 draw
18 Re8 draw
19 Kd3 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves