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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 Ra2 win in 3 half-moves
3 Ka1 win in 7 half-moves
4 Ka2 win in 7 half-moves
5 Kb4 win in 7 half-moves
6 Kc1 win in 7 half-moves
7 Ka5 draw
8 Ka6 draw
9 Kb6 draw
10 Kc2 draw
11 Kc4 draw
12 Kc5 draw
13 Rb3 draw
14 Rc2 draw
15 Rd2 draw
16 Rh2 draw
17 Kc6 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves