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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc8 win in 3 half-moves
4 Rc8 win in 7 half-moves
5 Ra7 win in 13 half-moves
6 Ka4 draw
7 Ka7 draw
8 Ka8 draw
9 Kb4 draw
10 Rb7 draw
11 Rc3 draw
12 Rg7 draw
13 Rh7 draw
14 Kb5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves