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 Kc2 draw
3 Kc3 draw
4 Kd2 draw
5 Kd4 draw
6 Ke2 draw
7 Ke3 draw
8 Ke4 draw
9 Ra4 draw
10 Rc1 draw
11 Rc2 draw
12 Rc3 draw
13 Rc5 draw
14 Rc6 draw
15 Rc8 draw
16 Rd4 draw
17 Rf4 draw
18 Rg4 draw
19 Rh4 draw
20 Rc7 loss in 2 half-moves
21 Re4 loss in 2 half-moves