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

EGTB: win in 2 half-moves

# move score
1 Ka5 win in 1 half-moves
2 Ka3 draw
3 Kb3 draw
4 Kb4 draw
5 Kb5 draw
6 Rb3 draw
7 Rb4 draw
8 Rb5 draw
9 Rb7 draw
10 Ra8 loss in 14 half-moves
11 Rc8 loss in 12 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Rg8 loss in 1 half-moves