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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kc1 draw
6 Ke1 draw
7 Rc3 draw
8 Rd2 draw
9 Rd4 draw
10 Rd5 draw
11 Rd6 draw
12 Rd7 draw
13 Rd8 draw
14 Re3 draw
15 Rf3 draw
16 Rg3 draw
17 Rh3 draw
18 Kc2 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Ra3 loss in 1 half-moves