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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Rc8 win in 5 half-moves
5 Ka3 draw
6 Ka5 draw
7 Ka6 draw
8 Ka8 draw
9 Kb3 draw
10 Kb4 draw
11 Kb7 draw
12 Kb8 draw
13 Rc2 draw
14 Rd7 draw
15 Re7 draw
16 Rc1 loss in 2 half-moves
17 Rc3 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 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves