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 Kb4 win in 1 half-moves
3 K5b5 draw
4 K5b6 draw
5 K6b5 draw
6 K6b6 draw
7 Ka7 draw
8 Ra7 draw
9 Rb1 draw
10 Rb2 draw
11 Rb3 draw
12 Rb8 draw
13 Rc7 draw
14 Rg7 draw
15 Rh7 draw
16 Rb4 loss in 1 half-moves
17 Rb5 loss in 1 half-moves
18 Rb6 loss in 1 half-moves
19 Rd7 loss in 1 half-moves
20 Re7 loss in 1 half-moves
21 Rf7 loss in 1 half-moves