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

EGTB: win in 2 half-moves

# move score
1 Ka3 win in 1 half-moves
2 Kb3 win in 1 half-moves
3 K1b1 draw
4 K1b2 draw
5 K2b1 draw
6 K2b2 draw
7 Rc7 draw
8 Rd7 draw
9 Re4 draw
10 Re5 draw
11 Re6 draw
12 Ra7 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves