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 Kd2 draw
3 Kd3 draw
4 Kd4 draw
5 Kf3 draw
6 Kf4 draw
7 Ra4 draw
8 Rc1 draw
9 Rc2 draw
10 Rc3 draw
11 Ke4 loss in 8 half-moves
12 Ke2 loss in 4 half-moves
13 Kf2 loss in 4 half-moves
14 Rc5 loss in 4 half-moves
15 Rc6 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves