An internal combustion engine having at least one cylinder, with a piston in the cylinder, which piston has a piston bowl, and having a cylinder head, wherein the cylinder piston and the cylinder head define a top side and a bottom side, and a cylinder wall of the cylinder defines the lateral boundary of a combustion chamber between the top side and a bottom side, wherein a spark plug is arranged in the cylinder head and projects centrally into the at least one cylinder, characterized in that · a flat cylinder head base is configured as the bottom side of the cylinder head and the piston bowl in the cylinder piston in the transition region to a bowl edge of the piston bowl opposite the cylinder head base has the geometric shape of an ellipse with a bowl depth which can be predefined with respect to the bowl edge, · wherein the formation of a tumble roller of a charge to be supplied to the combustion chamber, which rotates in the combustion chamber about a tumble axis (T A) which runs transversely to the central cylinder axis (Z 10) as the vertical axis of the cylinder and intersects the central cylinder axis (Z 10), is brought about a) by the specification of the direction of flow of the charge fed in the intake stroke towards the at least one exhaust port, by ·a1) a design on the intake port side towards the exhaust port, in that a chamfer (F-EK; F-EK', F-EK") exposing the intake port opening for the charge preferably towards the exhaust port is configured at the intake port opening of the intake port and/or a2) the intake port is itself oriented towards the exhaust port, and b) by an orientation of the elliptically formed bowl opposite the at least one intake port and opposite the at least one exhaust port in the cylinder head, in that the main axis (E HA) of the ellipse of the piston bowl is arranged parallel to the position of the tumble axis (T A) of the tumble roller formed by the direction of flow of the charge into the combustion chamber. · a flat cylinder head base is configured as the bottom side of the cylinder head and the piston bowl in the cylinder piston in the transition region to a bowl edge of the piston bowl opposite the cylinder head base has the geometric shape of an ellipse with a bowl depth which can be predefined with respect to the bowl edge, · wherein the formation of a tumble roller of a charge to be supplied to the combustion chamber, which rotates in the combustion chamber about a tumble axis (T A) which runs transversely to the central cylinder axis (Z 10) as the vertical axis of the cylinder and intersects the central cylinder axis (Z 10), is brought about a) by the specification of the direction of flow of the charge fed in the intake stroke towards the at least one exhaust port, by ·a1) a design on the intake port side towards the exhaust port, in that a chamfer (F-EK; F-EK', F-EK") exposing the intake port opening for the charge preferably towards the exhaust port is configured at the intake port opening of the intake port and/or a2) the intake port is itself oriented towards the exhaust port, and b) by an orientation of the elliptically formed bowl opposite the at least one intake port and opposite the at least one exhaust port in the cylinder head, in that the main axis (E HA) of the ellipse of the piston bowl is arranged parallel to the position of the tumble axis (T A) of the tumble roller formed by the direction of flow of the charge into the combustion chamber. a) by the specification of the direction of flow of the charge fed in the intake stroke towards the at least one exhaust port, by ·a1) a design on the intake port side towards the exhaust port, in that a chamfer (F-EK; F-EK', F-EK") exposing the intake port opening for the charge preferably towards the exhaust port is configured at the intake port opening of the intake port and/or a2) the intake port is itself oriented towards the exhaust port, and ·a1) a design on the intake port side towards the exhaust port, in that a chamfer (F-EK; F-EK', F-EK") exposing the intake port opening for the charge preferably towards the exhaust port is configured at the intake port opening of the intake port and/or a2) the intake port is itself oriented towards the exhaust port, and b) by an orientation of the elliptically formed bowl opposite the at least one intake port and opposite the at least one exhaust port in the cylinder head, in that the main axis (E HA) of the ellipse of the piston bowl is arranged parallel to the position of the tumble axis (T A) of the tumble roller formed by the direction of flow of the charge into the combustion chamber.