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

EGTB: win in 2 half-moves

# move score
1 Re4 win in 1 half-moves
2 Kb6 draw
3 Kc6 draw
4 Kg3 draw
5 Kg4 draw
6 Kh3 draw
7 Rc1 draw
8 Rc2 draw
9 Rc3 draw
10 Kb4 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kh5 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves