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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kc8 win in 3 half-moves
4 Rb7 win in 5 half-moves
5 Ra7 win in 7 half-moves
6 Rc8 win in 7 half-moves
7 Ka4 win in 13 half-moves
8 Ka2 draw
9 Kb2 draw
10 Kd7 draw
11 Ke7 draw
12 Ke8 draw
13 Rc4 draw
14 Rc5 draw
15 Rc6 draw
16 Rd7 draw
17 Re7 draw
18 Rf7 draw
19 Rc1 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves