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

EGTB: win in 4 half-moves

# move score
1 K5b6 win in 3 half-moves
2 K7b6 win in 3 half-moves
3 Kb5 win in 3 half-moves
4 Kb7 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 Rc8 win in 5 half-moves
7 K5a6 draw
8 K7a6 draw
9 Ka4 draw
10 Ka8 draw
11 Kb4 draw
12 Kb8 draw
13 Rc1 draw
14 Rd7 draw
15 Re7 draw
16 Rf7 draw
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves