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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Kb3 win in 7 half-moves
3 Kb4 win in 11 half-moves
4 Kab2 win in 15 half-moves
5 Ka2 draw
6 Ka4 draw
7 Kb1 draw
8 Kc2 draw
9 Kcb2 draw
10 Ra5 draw
11 Ra6 draw
12 Ra8 draw
13 Rb7 draw
14 Rc7 draw
15 Rd7 draw
16 Re7 draw
17 Rg7 draw
18 Rh7 draw
19 Kd1 loss in 2 half-moves
20 Kd2 loss in 2 half-moves
21 Rf7 loss in 2 half-moves