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

EGTB: win in 6 half-moves

# move score
1 Rb3 win in 5 half-moves
2 Ka5 draw
3 Kb3 draw
4 Kb5 draw
5 Ke1 draw
6 Ke2 draw
7 Kf1 draw
8 Kg1 draw
9 Kg2 draw
10 Rb1 draw
11 Ka3 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kg3 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Re2 loss in 2 half-moves