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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 K1a2 draw
3 K1b2 draw
4 K3a2 draw
5 K3b2 draw
6 Kb1 draw
7 Ra7 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rf7 draw
12 Rg7 draw
13 Rh7 draw
14 Ka4 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves