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

EGTB: win in 2 half-moves

# move score
1 Ka4 win in 1 half-moves
2 Kb3 draw
3 Ra6 draw
4 Rb4 draw
5 Rb5 draw
6 Rb7 draw
7 Rb8 draw
8 Ka2 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Kb4 loss in 1 half-moves
19 Re6 loss in 1 half-moves