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 Kb6 win in 3 half-moves
3 Rc5 win in 3 half-moves
4 Rc6 win in 3 half-moves
5 Ka3 draw
6 Kaa4 draw
7 Kab5 draw
8 Kb3 draw
9 Kba4 draw
10 Kbb5 draw
11 Kc3 draw
12 Kc4 draw
13 Kc5 draw
14 Ra7 draw
15 Rb7 draw
16 Rc4 draw
17 Rc8 draw
18 Rd7 draw
19 Rh7 draw
20 Rc1 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg7 loss in 2 half-moves