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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kc5 draw
3 Kc6 draw
4 Kd4 draw
5 Kd6 draw
6 Ke4 draw
7 Ke5 draw
8 Ke6 draw
9 Ra4 draw
10 Rc1 draw
11 Rc2 draw
12 Rc3 draw
13 Rc5 draw
14 Rc6 draw
15 Rc7 draw
16 Rd4 draw
17 Re4 draw
18 Rf4 draw
19 Rg4 draw
20 Rc8 loss in 2 half-moves
21 Rh4 loss in 2 half-moves